Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Other Intangibles Assets Goodwill and Intangible Assets Disclosure [Text Block] Business Combinations [Abstract] Final Purchase Price and Related Allocations Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Weighted-Average Useful Lives of Acquired Other Intangible Assets Schedule Of Acquired Intangible Assets Subject To Amortization And Estimated Useful Lives Table [Text Block] Schedule of acquired intangible assets subject to amortization and estimated useful lives. Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Accounting Policies [Abstract] The Company and Nature of Operations Nature of Operations [Text Block] Fair Value Disclosures [Abstract] Financial Instruments [Table] Financial Instruments [Table] Financial Instruments [Table] Fair Value by Measurement Frequency Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements, Recurring Basis Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Financial Instruments [Line Items] Financial Instruments [Line Items] Financial Instruments [Line Items] Assets held in funded deferred compensation plan Deferred Compensation Plan Assets Investments in auction rate securities Available-for-sale Securities, Debt Securities, Noncurrent Fair value of recurring assets Assets, Fair Value Disclosure, Recurring Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Insurance deposits Restricted Cash and Cash Equivalents, Noncurrent Other Select Financial Assets Other Select Financial Assets Other Select Financial Assets Total Financial Assets Financial Assets Financial Assets Interest rate swap Interest Rate Derivative Liabilities, at Fair Value Contingent consideration liability Business Combination, Contingent Consideration, Liability Line of credit Long-term Line of Credit, Noncurrent Total Financial Liabilities Total Financial Liabilities Total Financial Liabilities Investments in auction rate securities Available-for-sale Securities Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Other Select Financial Assets Fair Value Disclosure Other Select Financial Assets Fair Value Disclosure Other Select Financial Assets Fair Value Disclosure Fair value of recurring liabilities Liabilities, Fair Value Disclosure, Recurring Line of credit Lines of Credit, Fair Value Disclosure Total Fair Value of Financial Liabilities Financial Liabilities Fair Value Disclosure Basis of Presentation [Table] Basis Of Presentation [Table] Basis of Presentation [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Basis of Presentation [Line Items] Basis Of Presentation [Line Items] Basis of Presentation [Line Items] Number of client accounted for more than 10% of consolidated revenues Number Of Customers Accounted For More Than Ten Percent Of Revenue Number Of Customers Accounted For More Than Ten Percent Of Revenue Impairment loss Equity Method Investment, Other than Temporary Impairment Equity method investment ownership percentage Equity Method Investment, Ownership Percentage Investments Investments Costs directly reimbursed from parking lot client Reimbursement Revenue Advertising expense Advertising Expense Investments, Debt and Equity Securities [Abstract] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Cost Basis Reported Value Measurement [Member] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Auction rate securities Auction Rate Securities [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Balance at beginning of year Unrealized gains recorded in AOCL Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Redemption of security by issuer Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Balance at ending of year Debt Disclosure [Abstract] Line of Credit Debt And Derivative Instruments Disclosure [Text Block] The entire disclosure for the entity's debt and derivative instruments. Includes information about the amount of borrowings under the entity's line of credit and other matters important to the users of the financial statements and describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising there from, and the amounts of and methodologies and assumptions used in determining the amounts of such items. Property, Plant and Equipment [Abstract] Computer equipment and software Computer Hardware And Software Gross Gross amount, at the balance sheet date, of long-lived, depreciable assets that include computer equipment and software, not otherwise defined in the taxonomy. Machinery and other equipment Machinery and Equipment, Gross Leasehold improvements Leasehold Improvements, Gross Transportation equipment Property, Plant and Equipment, Other, Gross Buildings Buildings and Improvements, Gross Furniture and fixtures Furniture and Fixtures, Gross Land Land Property, Plant and Equipment, Gross, Total Property, Plant and Equipment, Gross Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total Property, Plant and Equipment, Net Document And Entity Information [Abstract] Document And Entity Information [Abstract] Entities [Table] Entities [Table] Legal Entity Legal Entity [Axis] Entity [Domain] Entity [Domain] Document Information [Line Items] Document Information [Line Items] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Basis of Presentation and Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets Assets, Current [Abstract] Trade accounts receivable, net of allowances of $10.6 and $10.2 at October 31, 2014 and 2013, respectively Accounts Receivable, Net, Current Prepaid expenses Prepaid Expense, Current Deferred income taxes, net Deferred Tax Assets, Net of Valuation Allowance, Current Other current assets Other Assets, Current Total current assets Assets, Current Other investments Other Investments Property, plant and equipment, net of accumulated depreciation of $138.6 and $127.5 at October 31, 2014 and 2013, respectively Other intangible assets, net of accumulated amortization of $142.9 and $115.5 at October 31, 2014 and 2013, respectively Finite-Lived Intangible Assets, Net Goodwill Goodwill Other assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities Liabilities, Current [Abstract] Trade accounts payable Accounts Payable, Current Accrued compensation Employee-related Liabilities, Current Accrued taxes—other than income Accrual for Taxes Other than Income Taxes, Current Insurance claims Self Insurance Reserve, Current Income taxes payable Accrued Income Taxes, Current Other accrued liabilities Other Accrued Liabilities, Current Total current liabilities Liabilities, Current Noncurrent income taxes payable Accrued Income Taxes, Noncurrent Deferred income tax liability, net Deferred Tax Liabilities, Net, Noncurrent Noncurrent insurance claims Self Insurance Reserve, Noncurrent Other liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and Contingencies Commitments and Contingencies Stockholders’ Equity Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $0.01 par value; 500,000 shares authorized; none issued Preferred Stock, Value, Issued Common stock, $0.01 par value; 100,000,000 shares authorized; 55,691,350 and 55,477,813 shares issued and outstanding at October 31, 2014 and 2013, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive loss, net of taxes Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total stockholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders’ equity Liabilities and Equity Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Schedule of Acquired Indefinite-lived Intangible Assets by Major Class [Table] Schedule of Acquired Indefinite-lived Intangible Assets by Major Class [Table] Acquired Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer contracts and relationships Customer Relationships [Member] Trademarks and trade names Trade Names And Trademarks [Member] Trade Names And Trademarks [Member] Contract rights and other Contract Rights And Other [Member] Contract Rights and Other [Member] Acquired Indefinite-lived Intangible Assets [Line Items] Acquired Indefinite-lived Intangible Assets [Line Items] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Total Compensation and Retirement Disclosure [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Equities Equity Securities [Member] Fixed Income Funds Fixed Income Funds [Member] Cash and Cash Equivalents Cash and Cash Equivalents [Member] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Defined Benefit Plans Pension Plan [Member] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Net obligation recognized in Balance Sheet Defined Benefit Plan, Amounts Recognized in Balance Sheet Projected benefit obligations in the aggregate Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation Fair value of plan assets Defined Benefit Plan, Fair Value of Plan Assets Investments of plan assets Defined Benefit Plan, Target Plan Asset Allocations Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost Future benefit payments in aggregate Defined Benefit Plan, Expected Future Benefit Payments, Aggregate Defined Benefit Plan, Expected Future Benefit Payments, Aggregate Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Air Serv Air Serv [Member] Air Serv [Member] HHA Hha [Member] Hha [Member] GBM GBM [Member] GBM [Member] Airco Airco [Member] Airco [Member] Alpha Alpha [Member] Alpha [Member] Calvert-Jones Calvert Jones [Member] Calvert Jones [Member] TEGG T E G G Corporation [Member] TEGG Corporation [Member] Blackjack Blackjack [Member] Blackjack [Member] BEST Best [Member] BEST [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Purchase price: Business Combination, Consideration Transferred [Abstract] Cash consideration Payments to Acquire Businesses, Gross Fair value of contingent consideration Holdback liability Business Acquisition Cost Of Acquired Entity Holdback Fair Value Business Acquisition, Cost of Acquired Entity, Holdback Fair Value Total consideration Business Combination, Consideration Transferred Allocated to: Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets [Abstract] Trade accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Other current and noncurrent assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Current And Noncurrent Assets Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Current And Noncurrent Assets Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Other intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Total assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Net assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Uncollectable receivable amount Business Combination, Acquired Receivables, Estimated Uncollectible Goodwill, deductible for tax purposes Business Acquisition, Goodwill, Expected Tax Deductible Amount Earnings Per Share [Abstract] Calculations of Basic and Diluted Net Income Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Expected life from the date of grant Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected stock price volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share Price Share Price Weighted average fair value of option grants Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Income Statement [Abstract] Revenues Sales Revenue, Services, Net Expenses Costs and Expenses [Abstract] Operating Cost of Services Selling, general and administrative Selling, General and Administrative Expense Amortization of intangible assets Amortization of Intangible Assets Total expenses Costs and Expenses Operating profit Operating Income (Loss) Other-than-temporary impairment credit losses on auction rate security recognized in earnings Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net Income from unconsolidated affiliates, net Income (Loss) from Equity Method Investments Interest expense Interest Expense Income from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for income taxes Income Tax Expense (Benefit) Income from continuing operations Income (Loss) from Continuing Operations Attributable to Parent Loss from discontinued operations, net of taxes Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net income Net Income (Loss) Attributable to Parent Net income per common share Earnings Per Share, Basic [Abstract] Net income per common share-Basic (in usd per share) Earnings Per Share, Basic Net income per common share-Diluted (in usd per share) Earnings Per Share, Diluted Weighted-average common and common equivalent shares outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Dividends declared per common share (in usd per share) Common Stock, Dividends, Per Share, Declared Share-Based Compensation Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share-based Compensation Share-based Compensation Income tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Share based compensation expense net of tax Allocated Share-based Compensation Expense, Net of Tax Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Schedule Of Activity Related To Performance Share Units [Table] Schedule Of Activity Related To Performance Share Units [Table] Schedule Of Activity Related To Performance Share Units [Table] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Program Name [Axis] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Program Name [Axis] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Program Name [Axis] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Program Name [Domain] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Program Name [Domain] Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Program Name [Domain] Performance Share Program Performance Share Program [Member] Performance Share Program [Member] Schedule Of Activity Related To Performance Share Units [Line Items] Schedule Of Activity Related To Performance Share Units [Line Items] Schedule Of Activity Related To Performance Share Units [Line Items] Shares Paid for Tax Withholding for Share Based Compensation Shares Paid for Tax Withholding for Share Based Compensation Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Outstanding at beginning of the year Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Issued (including .1 shares withheld for income taxes) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Outstanding at end of the year Weighted-Average Grant Date Fair Value per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Outstanding at beginning of the year Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Issued (including .1 shares withheld for income taxes) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Outstanding at end of the year Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Transportation equipment Transportation Equipment [Member] Machinery and other equipment Machinery and Equipment [Member] Computer equipment and software Computer Equipment And Software [Member] Computer Equipment And Software [Member] Furnitures and fixtures Furniture and Fixtures [Member] Assets Held under Capital Leases Assets Held under Capital Leases [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Capital leased assets, gross Capital Leased Assets, Gross Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Total capital leased assets, net of accumulated depreciation Capital Leases, Balance Sheet, Assets by Major Class, Net Insurance [Abstract] Schedule of Other Liabilities [Table] Schedule Of Other Liabilities [Table] Schedule of Other Liabilities [Table] OneSource Services Inc One Source Services Inc [Member] One Source Services Inc [Member] Insurance Policies [Axis] Insurance Policies [Axis] Insurance Policies [Axis] Insurance Policies [Domain] Insurance Policies [Domain] Insurance Policies [Domain] Medical and Dental Self Insurance Program Medical And Dental Self Insurance Program [Member] Medical and Dental Self Insurance Program [Member] Statement, Business Segments Segments [Axis] Segments [Domain] Segments [Domain] Corporate segment Corporate Segment [Member] Schedule of Other Liabilities [Line Items] Schedule Of Other Liabilities [Line Items] Schedule of Other Liabilities [Line Items] Self insurance retention amount per-claim Self Insured Retention Amount Per Claim Self Insured Retention Amount Per Claim Insurance deductibles per occurrence Insurance Deductibles The deductible amount related to claims under the commercial insurance policy coverage related to workers' compensation, general liability, automobile and property damage. Commercial insurance policies coverage Insurance Policy Coverage, General Liability Losses Insurance Policy Coverage, General Liability Losses Insurance Policy Coverage, Property Damage Insurance Policy Coverage, Property Damage Insurance Policy Coverage, Property Damage Self insurance retention amount per-claim Self Insured Retention Amount Per Claim For Certain Employee Medical And Dental Programs Self Insured Retention Amount Per Claim For Certain Employee Medical and Dental Programs Self-insurance reserve adjustments Increase (Decrease) in Self Insurance Reserve Insurance claim reserves Self Insurance Reserve Estimated Insurance Recoveries Estimated Insurance Recoveries Net Income Per Common Share Earnings Per Share [Text Block] Estimated Amortization Expense 2015 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Estimated Amortization Expense 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Two Estimated Amortization Expense 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Three Estimated Amortization Expense 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Four Estimated Amortization Expense 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Five Total Estimated Amortization Expense Finite Lived Intangible Assets Amortization Expenses Finite Lived Intangible Assets Amortization Expenses Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Equity Components Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] RSUs Restricted Stock Units (RSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Vested at end of period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Outstanding Number The number of vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are vested as of the balance sheet date. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Vested at end of period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Outstanding Weighted Average Grant Date Fair Value The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that are vested at the end of the fiscal period. Acquired Intangible Assets by Major Class [Axis] Acquired Intangible Assets By Major Class [Axis] Acquired Intangible Assets by Major Class [Axis] Acquired Intangible Assets, Major Class Name [Domain] Acquired Intangible Assets Major Class Name [Domain] Acquired Intangible Assets, Major Class Name [Domain] Other Identifiable Intangibles Other Identifiable Intangibles [Member] Other Identifiable Intangibles [Member] Intangible Assets by Major Class [Axis] Intangible Assets By Major Class [Axis] Intangible Assets by Major Class [Axis] Intangible Assets, Major Class Name [Domain] Intangible Assets Major Class Name [Domain] Intangible Assets, Major Class Name [Domain] Customer Contracts And Relationships Customer Contracts And Relationships [Member] Customer Contracts And Relationships [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Selling, General and Administrative Expenses [Member] Selling, General and Administrative Expenses [Member] Weighted-average amortization period for the acquired intangible assets Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Shares issued upon exercise of options Stock Issued During Period, Shares, Share-based Compensation, Gross Total intrinsic value of shares exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Total fair value of shares vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Weighted average grant date fair value of shares Authorized for issuance Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Shares available for award Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant TSR awards, earned basis period Share-based Compensation Arrangement by Share-based Payment Award, Total Shareholder Return Awards, Earned Basis Period Share-based Compensation Arrangement by Share-based Payment Award, Total Shareholder Return Awards, Earned Basis Period Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Stock options Employee Stock Option [Member] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Percentage of the awards that vest per year Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Total unrecognized compensation cost, net of estimated forfeitures Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted-average vesting period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Aggregate intrinsic value of outstanding Share Based Compensation Arrangement By Share Based Payment Award Performance Share Units Outstanding Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Performance Share Units Outstanding Intrinsic Value Aggregate intrinsic value of vested Share Based Compensation Arrangement By Share Based Payment Award Performance Share Units Vested Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Performance Share Units Vested Aggregate Intrinsic Value Options expire after the date of grant Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Pension Plans Schedule of Multiemployer Plans [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Capital Lease Commitments Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] October 31, 2015 Capital Leases, Future Minimum Payments Due, Next Twelve Months October 31, 2016 Capital Leases, Future Minimum Payments Due in Two Years October 31, 2017 Capital Leases, Future Minimum Payments Due in Three Years October 31, 2018 Capital Leases, Future Minimum Payments Due in Four Years October 31, 2019 Capital Leases, Future Minimum Payments Due in Five Years Thereafter Capital Leases, Future Minimum Payments Due Thereafter Total minimum lease commitments Capital Leases, Future Minimum Payments Due Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] October 31, 2015 Operating Leases, Future Minimum Payments Due, Next Twelve Months October 31, 2016 Operating Leases, Future Minimum Payments, Due in Two Years October 31, 2017 Operating Leases, Future Minimum Payments, Due in Three Years October 31, 2018 Operating Leases, Future Minimum Payments, Due in Four Years October 31, 2019 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total minimum lease commitments Operating Leases, Future Minimum Payments Due Unrecorded Unconditional Purchase Obligation, Imputed Interest Capital Leases, Future Minimum Payments, Interest Included in Payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Income Tax Authority Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] State and Local Jurisdiction State and Local Jurisdiction [Member] Income Taxes [Axis] Income Taxes [Axis] Income Taxes [Axis] Income Taxes [Domain] Income Taxes [Domain] Income Taxes [Domain] Additional Additional [Member] Additional [Member] Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Re-measurement of certain unrecognized tax benefits Income Tax Rate Reconciliation, Re-Measurement of Certain Unrecognized Tax Benefits, Amount Income Tax Rate Reconciliation, Re-Measurement of Certain Unrecognized Tax Benefits, Amount Other Income Tax Expense (Benefit), Continuing Operations Other Income Tax Expense (Benefit), Continuing Operations Operating loss carryforwards Operating Loss Carryforwards Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Maximum decrease in unrecognized tax benefits that is reasonably possible Significant (Increase) Decrease in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound Uncertain tax positions, interest and penalties accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Uncertain tax positions, interest and penalties recognized and expensed Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Number of states in which entity operates Number of States in which Entity Operates Equity [Abstract] Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Table] Schedule Of Earnings Per Share Basic And Diluted By Common Class [Table] Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Table] Schedule of Share-based Compensation Arrangement by Share-based Payment Award Performance shares Performance Shares [Member] Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items] Schedule Of Earnings Per Share Basic And Diluted By Common Class [Line Items] Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items] Net income Weighted-average common and common equivalent shares outstanding-Basic Effect of dilutive securities: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Effect of dilutive securities Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted-average common and common equivalent shares outstanding-Diluted Net income per common share Basic Diluted Minimum rentals Operating Leases, Rent Expense, Minimum Rentals Contingent rentals Operating Leases, Rent Expense, Contingent Rentals Total Operating Leases, Rent Expense, Net Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Percentage of purchase price of fair market value of the Company's common stock on the last trading day of the month Percentage Of Fair Market Value The percentage of fair market value at which an employee can purchase shares under the Employee Stock Purchase Plan. Percentage of compensation to purchase Employee Stock Purchase Plan Maximum Percentage Of Compensation To Purchase Shares By Eligible Participants The maximum percentage of an employees salary that may be withheld and contributed into the plan. Annual limit on purchase of stock Share Based Compensation Arrangement By Share Based Payment Award Maximum Contribution Per Employee The annual limit in which employees may contribute towards the Employee Stock Purchase Plan. Weighted average fair values of purchase rights Weighted Average Fair Value of Stock Purchase Right Under Employee Stock Purchase Plan This element represents the weighted average fair value of each purchase right under the employee stock purchase plan. Shares of stock issued under the plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Weighted average price Stock Issued During Period Weighted Average Price Per Share Employee Stock Purchase Plans Weighted average price per share of common stock issued during the period as a result of an employee stock purchase plan. Aggregate purchases Stock Issued During Period, Value, Employee Stock Purchase Plan Shares remaining unissued Employee Stock Purchase Plan, Number of Shares Available for Issue This element represents the remaining balance of shares originally authorized for issue under the employee stock purchase plan. Standby Letters of Credit, Surety Bonds and Restricted Insurance Deposits Outstanding to Collateralize Self-Insurance Obligations Insurance Disclosure Table [Table Text Block] A tabular summary of letters of credit, surety bonds and restricted insurance deposits outstanding to collateralize self-insurance obligations. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Quarterly Financial Information Disclosure [Abstract] Selected Quarterly Financial Data Schedule of Quarterly Financial Information [Table Text Block] Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Provision for income taxes Selected Quarterly Financial Data (Unaudited) Quarterly Financial Information [Text Block] Estimated Useful Lives of Property, Plant and Equipment Property, Plant, and Equipment, Estimated Useful Lives [Table Text Block] Property, Plant, and Equipment, Estimated Useful Lives [Table Text Block] Significant Assumptions Used to Determine Fair Value of Auction Rate Securities Schedule Of Securities Valuation Assumptions Table [Text Block] Schedule of significant assumptions used to determine the fair value of auction rate securities. Changes in Cost Basis and Fair Value of Auction Rate Securities Roll Forward Of Cost Basis And Fair Value Of Available For Sale Securities Table [Text Block] Tabular disclosure representing the roll-forward of the cost basis and fair value amounts of available for sale securities, reconciling the beginning balance of the period to the ending balance of the period, including any unrealized gains (losses) and other-than-temporary impairments, recognized during the period. Stockholders' Equity Note [Abstract] Preferred and Common Stock Stockholders' Equity Note Disclosure [Text Block] Summary of Total Compensation Expense and Related Income Tax Benefit in Connection with Share-Based Compensation Plans Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] RSU Activity Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Stock Option Activity Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Performance Share Activity Schedule of Nonvested Performance-based Units Activity [Table Text Block] Assumptions Used in Option Valuation Model Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at beginning of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Outstanding at end of period Vested and exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Weighted-Average Exercise Price per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding at beginning of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Outstanding at end of period Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted-Average Remaining Contractual Term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Outstanding at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Outstanding at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Prior Plans [Member] Prior Plans [Member] Prior Plans Exercisable at end of period Exercisable at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Line Items] Class of Stock [Line Items] Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Stock repurchased, number of shares Stock Repurchased During Period, Shares Stock repurchased, average price per share Stock Repurchase Average Cost Per Share Stock repurchase average cost per share. Stock repurchased, value Stock Repurchased During Period, Value Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Contribution Pension Plan 401k Defined Contribution Pension Plan Four Zero One K [Member] Defined Contribution Pension Plan 401k [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Number of 401(k) savings plans Number of Defined Contribution Plans Number of Defined Contribution Plans Defined Contribution Plan, Cost Recognized Defined Contribution Plan, Cost Recognized Retained Earnings Retained Earnings [Member] Number of different issuers the Company held investments in for auction rate securities Number Of Financial Institution The number of different issuers of the auction rate securities held by the Company. Investments in auction rate securities, original principal amount Available For Sale Debt Securities Original Principal Amount This item represents the original cost of debt securities, which are categorized neither as held-to-maturity nor trading, excluding adjustments such as accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Investments in auction rate securities, amortized cost basis Available-for-sale Equity Securities, Amortized Cost Basis Unrealized losses recorded in accumulated other comprehensive loss, before tax Available-for-sale Securities, Gross Unrealized Gain (Loss) Other-than-temporary credit loss recognized in earnings Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities Total amount of other-than-temporary impairment (OTTI) credit loss recognized Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held Trade accounts receivable, allowance Allowance for Doubtful Accounts Receivable, Current Property, plant and equipment, accumulated depreciation Other intangible assets, accumulated amortization Preferred stock, par value (usd per share) Preferred Stock, Par or Stated Value Per Share Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Fair Value of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Beginning balance Unrecognized Tax Benefits Additions for tax positions related to the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Reductions for tax positions related to the current year Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions Additions for tax positions related to prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Reductions for tax positions related to prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Reductions for expiration of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Ending Balance Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Janitorial Janitorial [Member] Janitorial Facility Services Facility Services [Member] Facility Services [Member] Parking Parking [Member] Parking [Member] Security Security [Member] Security [Member] Building & Energy Solutions Building And Energy Solutions [Member] Building And Energy Solutions [Member] Other Other Segments [Member] Corporate Segment Reconciling Items [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Depreciation and Amortization Depreciation, Depletion and Amortization, Nonproduction Capital Expenditures Payments to Acquire Property, Plant, and Equipment Employee Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table] Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table] Rabbi Trust Rabbi Trust [Member] Rabbi Trust [Member] Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Axis] Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Axis] Type of Deferred Compensation, All Types [Domain] (Deprecated 2014-01-31) Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain] Deferred Compensation Plan Deferred Compensation Plan [Member] Deferred Compensation Plan [Member] Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] Total long-term liability of all deferred compensation plans Deferred Compensation Liability, Classified, Noncurrent Fair value of the assets held in the Rabbi Trust Aggregate expense recognized under deferred compensation plans Deferred Compensation Arrangement with Individual, Compensation Expense Reportable Operating Segments Reconciliation Of Revenues And Operating Profit Loss From Segments To Consolidated Table [Text Block] Reconciliations of: (1) total revenues from reportable segments to the entity's consolidated revenues, and (2) total profit or loss from reportable segments, to the entity's consolidated income or loss from operations before income taxes, extraordinary items, and discontinued operations. Summary of Reportable Operating Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Summary of Revenues by Geographic Region Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Acquisitions Business Combination Disclosure [Text Block] Segment and Geographic Information Segment Reporting Disclosure [Text Block] Geographic Information [Table] Geographic Information [Table] Geographic Information [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Domestic country Domestic Tax Authority [Member] All other countries All Other Countries [Member] All Other Countries [Member] Geographic Information [Line Items] Geographic Information [Line Items] Geographic Information [Line Items] Revenue Revenue [Member] Revenue [Member] Operating Profit Operating Profit [Member] Operating Profit [Member] Selling and Marketing Expense Selling and Marketing Expense [Member] Operating Activities [Axis] Operating Activities [Axis] Operating Activities [Domain] Operating Activities [Domain] Segment, Continuing Operations Continuing Operations [Member] Prior period reclassification adjustment Prior Period Reclassification Adjustment Adjustment for income from unconsolidated affiliates Adjustment Income Loss From Equity Method Investments This item represents the segment proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Operating profit Other-than-temporary impairment credit losses on auction rate security recognized in earnings Other than Temporary Impairment Losses, Investments, Available-for-sale Securities Total Identifiable Assets Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) [Member] Statement [Line Items] Statement [Line Items] Balance, beginning of year (in shares) Shares, Outstanding Balance, beginning of year Stock issued under employee stock purchase and share-based compensation plans (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock issued under employee stock purchase and share-based compensation plans Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Repurchase of common stock (in shares) Stock Repurchased and Retired During Period, Shares Repurchase of common stock Stock Repurchased and Retired During Period, Value Share-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Repurchase of common stock Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Dividends: Dividends [Abstract] Common stock Dividends, Common Stock, Cash Balance, end of year (in shares) Balance, end of year Dividends, Share-based Compensation, Stock Dividends, Share-based Compensation, Stock Defined Benefit Pension and Other Postretirement Plans Defined Benefit Pension And Other Postretirement Plans [Member] Defined Benefit Pension and Other Postretirement Plans [Member] Contributions by the Company Multiemployer Plan, Period Contributions Insurance Insurance Disclosure [Text Block] Statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent State and local income taxes, net of federal tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Federal and state tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Percent Impact of change in state tax rate Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Changes in uncertain tax positions Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Nondeductible expenses and other, net Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Annual effective tax rate Effective Income Tax Rate Reconciliation, Percent Business acquisition aggregate purchase price Business Combination, Contingent Consideration Business Combination, Contingent Consideration Business Combination, Contingent Consideration Fair value of accounts receivables acquired Business Acquisition Purchase Price Allocation Working Capital Adjustment Working capital adjustment to reduce or increase, as applicable, the total purchase price and consideration transferred. Reduction in contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Deferred consideration estimate value, high Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Business acquisition indemnification hold back amount Escrow Deposit Related To Business Combination Escrow deposit related to business combination. Acquisition related costs Business Combination, Acquisition Related Costs Valuation and Qualifying Accounts [Abstract] Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Accounts receivable allowances Allowance for Doubtful Accounts [Member] Valuation allowance of deferred tax assets Valuation Allowance of Deferred Tax Assets [Member] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] Movement in Valuation Allowances and Reserves [Roll Forward] Movement in Valuation Allowances and Reserves [Roll Forward] Balance Beginning of Year Valuation Allowances and Reserves, Balance Charges to Costs and Expenses Valuation Allowances and Reserves, Charged to Cost and Expense Write-offs/Allowance Taken Valuation Allowances and Reserves, Deductions Balance End of Year Buildings Building [Member] Property, plant and equipment, estimated useful lives Property, Plant and Equipment, Useful Life Changes in Carrying Amounts of Goodwill by Segment Schedule of Goodwill [Table Text Block] Other Intangible Assets, Net Schedule of Finite-Lived Intangible Assets [Table Text Block] Estimated Annual Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Statement of Comprehensive Income [Abstract] Other comprehensive income, Pre-tax amounts: Other Comprehensive Income (Loss), before Tax [Abstract] Unrealized gains on auction rate securities, Pre-tax amounts: Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, [Abstract] Unrealized gains on auction rate securities, Pre-tax amounts Reclassification adjustment for credit losses recognized in earnings., Pre-tax amounts Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, before Tax Net unrealized gains on auction rate securities earnings , Pre-tax amounts Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax Unrealized (losses) gains on interest rate swaps, Pre-tax amounts: Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax [Abstract] Unrealized (losses) gains arising during the period, Pre-tax amounts Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Reclassification adjustment for loss included in interest expense, Pre-tax amounts Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Net unrealized (losses) gains on interest rate swaps, Pre-tax amounts Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax Foreign currency translation, Pre-tax amounts Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Defined and postretirement benefit plans adjustments, Pre-tax amounts: Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax [Abstract] Actuarial gains (losses), arising during the current year, Pre-tax amounts Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax Reclassification adjustment for amortization of actuarial losses, Pre-tax amounts Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax Reclassification adjustment for settlement losses, Pre-tax amounts Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, before Tax Net defined and postretirement benefit plans adjustments, Pre-tax amounts Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax Total other comprehensive income (loss), Pre-tax amounts Other Comprehensive Income (Loss), before Tax Other comprehensive income, Tax expense/(benefit): Other Comprehensive Income (Loss), Tax, Parenthetical Disclosures [Abstract] Unrealized (losses) gains on auction rate securities, Tax expense/(benefit): Other Comprehensive Income (Loss), Available-for-sale Securities, Tax [Abstract] Unrealized gains on auction rate securities, Tax expense/(benefit) Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Reclassification adjustment for credit losses recognized in earnings, Tax expense/(benefit) Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Tax Net unrealized gains on auction rate securities earnings , Tax expense/(benefit) Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Unrealized gains (losses) on interest rate swaps, Tax expense/(benefit): Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Effect [Abstract] Unrealized (losses) gains arising during the period, Tax expense/(benefit) Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Reclassification adjustment for loss included in interest expense, Tax expense/(benefit) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Net unrealized (losses) gains on interest rate swaps, Tax expense/(benefit) Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Foreign currency translation, Tax expense/(benefit) Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax Defined and postretirement benefit plans adjustments, Tax expense/(benefit) Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Tax [Abstract] Actuarial gains (losses), arising during the current year, Tax expense/(benefit) Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax Reclassification adjustment for amortization of actuarial losses, Tax expense/(benefit) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Tax Reclassification adjustment for settlement losses, Tax expense/(benefit) Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Tax Net defined and postretirement benefit plans adjustments, Tax expense/(benefit) Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Tax Total other comprehensive income (loss), Tax expense/(benefit) Other Comprehensive Income (Loss), Tax Other comprehensive income, After-tax amounts: Other Comprehensive Income (Loss), Net of Tax [Abstract] Unrealized (losses) gains on auction rate securities, After-tax amounts: Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Abstract] Unrealized gains on auction rate securities, After-tax amounts Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Reclassification adjustment for credit losses recognized in earnings, After-tax amounts Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax Net unrealized gains on auction rate securities earnings, After-tax amounts Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Unrealized gains (losses) on interest rate swaps, After-tax amounts: Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax [Abstract] Unrealized (losses) gains arising during the period, After-tax amounts Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Reclassification adjustment for loss included in interest expense, After-tax amounts Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Net unrealized (losses) gains on interest rate swaps, After-tax amounts Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Foreign currency translation, After-tax amounts Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Defined and postretirement benefit plans adjustments, After-tax amounts: Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax [Abstract] Actuarial gains (losses), arising during the current year, After-tax amounts Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax Reclassification adjustment for amortization of actuarial losses, After-tax amounts Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax Reclassification adjustment for settlement losses, After-tax amounts Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Net of Tax Net defined and postretirement benefit plans adjustments, After-tax amounts Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Total other comprehensive income (loss), After-tax amounts Net income, After-tax amounts Comprehensive income, After-tax amounts Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule II-Valuation and Qualifying Accounts Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Libor plus the stated discount rate Securities Discount Rate Over London Interbank Offered Rate The discount rate over London Interbank Offered Rate assumptions used to determine the fair value of auction rate securities. Libor plus stated yield Securities Yields Over London Interbank Offered Rate The fixed yield over London Interbank Offered Rate used as an input in determining the fair value for the one of the Company's auction rate securities. Yields Securities Yields The fixed yield used as an input in determining the fair value for one of the Company's auction rate securities. Average expected lives Securities Average Life The average expected life assumptions used to determine the fair value of auction rate securities. Auction Rate Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Trade Accounts Receivable Receivables, Policy [Policy Text Block] Sales Allowance Revenue Recognition, Allowances [Policy Text Block] Investments in Unconsolidated Affiliates Equity Method Investments, Policy [Policy Text Block] Investments in Auction Rate Securities Investment, Policy [Policy Text Block] Property, Plant and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Leases Lease, Policy [Policy Text Block] Other Intangible Assets Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Impairment of Long-Lived Assets and Costs Associated With Exit Activities Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value Measurement, Policy [Policy Text Block] Acquisitions Business Combinations Policy [Policy Text Block] Insurance Reserves Insurance And Self Insurance Policy [Text Block] Disclosure of accounting policy for self-insurance reserves, including the description of the commercial insurance policies maintained and information such as the accounting treatment for: (1) recognition of the liability; (2) classification of such liabilities; and (3) allocation process. Other Accrued Liabilities Other Accrued Liabilities Policy [Text Block] Disclosure of accounting policy for other accrued liabilities, which includes specific liabilities included in such line items of the financial statements. Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Advertising Advertising Costs, Policy [Policy Text Block] Share-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Taxes Collected from Clients and Remitted to Governmental Agencies Taxes Collected From Customers Policy [Text Block] Disclosure of accounting policy for taxes collected from customers and remitted to government agencies. Income Taxes Income Tax, Policy [Policy Text Block] Net Income Per Common Share Earnings Per Share, Policy [Policy Text Block] Contingencies and Litigation Commitments and Contingencies, Policy [Policy Text Block] Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Capital Leases Included in Property, Plant and Equipment Schedule of Capital Leased Assets [Table Text Block] Components of Income Tax Provision Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Reconciliation of US Statutory Tax Rate to Annual Effective Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Components of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Reconciliation of Total Unrecognized Tax Benefits Summary of Income Tax Contingencies [Table Text Block] Summary of Income Tax Examinations Summary of Income Tax Examinations [Table Text Block] Schedule of Multiemployer Plans [Table] Schedule of Multiemployer Plans [Table] Defined Benefit Pension Plans [Axis] Defined Benefit Pension Plans [Axis] Defined Benefit Pension Plans [Axis] Defined Benefit Pension Plans [Domain] Defined Benefit Pension Plans [Domain] Defined Benefit Pension Plans [Domain] Building Service 32BJ Pension Fund Building Service Thirty Two B J Pension Fund [Member] Building Service Thirty Two BJ Pension Fund [Member] Central Pension Fund of the IUOE & Participating Employers Central Pension Fund Of The I U O E And Participating Employers [Member] Central Pension Fund Of The IUOE And Participating Employers [Member] Local 25 SEIU & Participating Employers Pension Trust Local Twenty Five S E I U And Participating Employers Pension Trust [Member] Local Twenty Five SEIU And Participating Employers Pension Trust [Member] S.E.I.U. National Industry Pension Fund S E I U National Industry Pension Fund [Member] SEIU National Industry Pension Fund [Member] IUOE Stationary Engineers Local 39 Pension Fund I U O E Stationary Engineers Local Thirty Nine Pension Fund [Member] IUOE Stationary Engineers Local Thirty Nine Pension Fund [Member] Local 68 Engineers Union Pension Plan Local Sixty Eight Engineers Union Pension Plan [Member] Local Sixty Eight Engineers Union Pension Plan [Member] Service Employees International Union Local 32BJ, District 36 Building Operators Pension Trust Fund Service Employees International Union Local Thirty Two B J District Thirty Six Building Operators Pension Trust Fund [Member] Service Employees International Union Local Thirty Two BJ District Thirty Six Building Operators Pension Trust Fund [Member] IUOE Local 30 Pension Fund I U O E Local Thirty Pension Fund [Member] IUOE Local Thirty Pension Fund [Member] Other Plans Other Plans [Member] Other Plans [Member] Multiemployer Plans [Line Items] Multiemployer Plans [Line Items] Employee Identification Number Entity Tax Identification Number Pension Plan Number Multiemployer Plan Number Pension Protection Act Zone Status Multiemployer Plans, Certified Zone Status Pension Protection Act Zone Status Date Multiemployer Plans, Certified Zone Status, Date FIP/RP Status Pending/ Implemented Multiemployer Plans, Funding Improvement Plan and Rehabilitation Plan Surcharge Imposed Multiemployer Plans, Surcharge Expiration Dates of Collective Bargaining Agreements, First Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date, First Expiration Dates of Collective Bargaining Agreements, Last Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date, Last Green Zone Multiemployer Plan Funded Percentage Green Zone Multiemployer Plan Funded Percentage Green Zone Multiemployer Plan Funded Percentage Yellow Zone Multiemployer Plans Funded Percentage Yellow Zone Multiemployer Plans Funded Percentage Yellow Zone Multiemployer Plans Funded Percentage Red Zone Multiemployer Plans Funded Percentage Red Zone Multiemployer Plans Funded Percentage Red Zone Multiemployer Plans Funded Percentage Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Option Holders Reaching their 61st Birthday Share-based Compensation Award, Tranche One [Member] Option Holders Reaching Their 64th Birthday Share-based Compensation Award, Tranche Two [Member] Age-Vested Plan Executive Stock Option Plan [Member] Executive Stock Option Plan ("Age-Vested Plan") Time-Vested Plan Time Vested Plan [Member] Time Vested Plan [Member] Price-Vested Plan Price Vested Plans [Member] Price Vested Plans [Member] Age-Vested Plan Age Vested [Member] Age Vested [Member] Gross profit Gross Profit Line of Credit Facility [Table] Line of Credit Facility [Table] Derivative Instrument Risk Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swap Interest Rate Swap [Member] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Second Amendment Second Amendment [Member] Second Amendment [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Federal Funds Rate Federal Funds Rate [Member] Federal Funds Rate [Member] One Month Eurodollar Rate One Month Eurodollar Rate [Member] One Month Eurodollar Rate [Member] Base Rate Base Rate [Member] Eurodollar Eurodollar [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Standby Letters of Credit Standby Letters of Credit [Member] Swing Line Loan Swing Line Loan [Member] Swing Line Loan [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Credit agreement term Debt Instrument, Term Line of credit, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Expiration Date Line of Credit Facility, Expiration Date Line of Credit Facility, Unused Portion, Commitment Fee Percentage, Increase (Decrease) in Percentage Line of Credit Facility, Unused Portion, Commitment Fee Percentage, Increase (Decrease) in Percentage Line of Credit Facility, Unused Portion, Commitment Fee Percentage, Increase (Decrease) in Percentage Syndicated line of credit, increased capacity Line of Credit Facility, Current Borrowing Capacity Variable rate Debt Instrument, Basis Spread on Variable Rate Percentage of commitment fee on the unused portion of the Facility Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Covenants maximum leverage ratio Debt Instrument Covenant Total Leverage Ratio Maximum Debt Instrument Covenant, Total Leverage Ratio, Maximum Minimum fixed charge coverage ratio Debt Instrument Covenant Fixed Charge Coverage Ratio Minimum Debt Instrument Covenant, Fixed Charge Coverage Ratio, Minimum Consolidated net worth Debt Covenant Minimum Adjusted Tangible Net Worth The financial covenant pertaining to the minimum consolidated net worth. Consolidated net income earned Percentage Of Consolidated Net Income The financial covenant pertaining to the minimum consolidated net worth, as it relates to net income earned each full fiscal quarter. Aggregate increases in stockholders' equity Percentage Of Capital Surplus The financial covenant pertaining to the minimum consolidated net worth, as it relates to stockholders equity. Line of credit, amount outstanding Long-term Line of Credit Standby letters of credit Letters of Credit Outstanding, Amount Line of credit, borrowing capacity currently available Line of Credit Facility, Remaining Borrowing Capacity Notional amount Derivative, Notional Amount Derivative, fixed interest rate Derivative, Fixed Interest Rate Effective portion of cash flow hedges included in accumulated other comprehensive loss, before tax Amount Recognized In Accumulated Other Comprehensive Income Loss from Cash Flow Hedges Effect Gross Amount Recognized In Accumulated Other Comprehensive Income Loss from Cash Flow Hedges Effect Gross Effective portion of cash flow hedges included in accumulated other comprehensive loss, net of tax Amount Recognized In Accumulated Other Comprehensive Income Loss from Cash Flow Hedges Effect Net Of Tax Amount Recognized In Accumulated Other Comprehensive Income Loss from Cash Flow Hedges Effect Net Of Tax Unrealized net loss related to the interest rate swap contract Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Deferred tax assets: Deferred Tax Assets, Net [Abstract] Self-insurance claims (net of recoverables) Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Self Insurance Deferred and other compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Accounts receivable allowances Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts Settlement liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Legal Settlements Other accruals Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other Other comprehensive income Deferred Tax Assets, Other Comprehensive Loss State taxes Deferred Tax Assets, State Taxes State net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, State and Local Tax credits Deferred Tax Assets, Tax Credit Carryforwards Other Deferred Tax Assets, Other Deferred Tax Assets, Gross, Total Deferred Tax Assets, Gross Valuation allowance Deferred Tax Assets, Valuation Allowance Total deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Property, plant and equipment Deferred Tax Liabilities, Property, Plant and Equipment Goodwill and other acquired intangibles Deferred Tax Liabilities, Goodwill Total deferred tax liabilities Deferred Tax Liabilities, Gross Net deferred tax assets Deferred Tax Assets, Net Loss Contingencies [Table] Loss Contingencies [Table] Litigation Claim Name [Axis] Litigation Claim Name [Axis] Litigation Claim Name [Axis] Litigation Claim Name [Domain] Litigation Claim Name [Domain] Litigation Claim Name [Domain] Contract dispute, work performed by a third party administrative Contract Dispute, Work Performed By A Third Party Administrative [Member] Contract Dispute, Work Performed By A Third Party Administrative [Member] Augustus Augustus [Member] Augustus [Member] Bojorquez Bojorquez [Member] Bojorquez [Member] Period [Axis] Period [Axis] Period [Axis] Period [Domain] Period [Domain] Period [Domain] Effective date starting after October 31, 2013 Future Period Two [Member] Future Period Two [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Motion against others Legal Claim One [Member] Legal Claim 1 [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Surety bonds Surety Bonds The amount of bonds, as of the end of the accounting period, issued by a second party, guaranteeing the fulfillment of the Company's obligations to a third party. In the event that the Company does not meet its obligations, the third party will recover its losses via the bond. Total letters of credit Total guarantees Guarantor Obligations, Maximum Exposure, Undiscounted Loss contingency amount accrued for probable losses Loss Contingency Accrual Amount of reasonably possible losses, Minimum Loss Contingency, Range of Possible Loss, Minimum Amount of reasonably possible losses, Maximum Loss Contingency, Range of Possible Loss, Maximum Loss Contingency, estimate of possible loss Loss Contingency, Estimate of Possible Loss Damages sought amount Loss Contingency, Damages Sought, Value Payment awarded to plaintiffs Loss Contingency, Damages Awarded, Value Future Minimum Lease Payments for Capital Leases Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] Future Minimum Lease Payments for Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Rental Expense for Continuing Operations Schedule of Rent Expense [Table Text Block] Depreciation expense Depreciation Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Beginning Balance Acquisitions Goodwill, Acquired During Period Foreign Currency Translation Goodwill, Translation Adjustments Ending Balance Antidilutive securities excluded from computation of earnings per share, amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Letters Of Credit [Table] Letters Of Credit [Table] Letters Of Credit [Table] Type of Insurance [Axis] Type Of Insurance [Axis] Type of Insurance [Axis] Type of Insurance [Domain] Type Of Insurance [Domain] Type of Insurance [Domain] Self Insurance Programs Self Insurance Programs [Member] Self Insurance Programs [Member] Letters Of Credit [Line Items] Letters Of Credit [Line Items] Letters Of Credit [Line Items] Restricted insurance deposits Total Collateral For Self Insurance Obligations Total collateral for self-insurance obligations. Performance Based Shares Performance Based Shares [Member] Performance Based Shares [Member] Service period of TSR awards Employee Service Share-based Compensation, TSR Awards, Compensation Cost Not yet Recognized, Period for Recognition Employee Service Share-based Compensation, TSR Awards, Compensation Cost Not yet Recognized, Period for Recognition Assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Loss from discontinued operations, net of taxes Income from continuing operations Adjustments to reconcile income from continuing operations to net cash provided by continuing operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Deferred income taxes Deferred Income Tax Expense (Benefit) Share-based compensation expense Provision for bad debt Provision for Doubtful Accounts Discount accretion on insurance claims Accretion Expense Auction rate security credit loss impairment Gain on sale of assets Gain (Loss) on Disposition of Property Plant Equipment Income from unconsolidated affiliates, net Distributions from unconsolidated affiliates Proceeds from Equity Method Investment, Dividends or Distributions Changes in operating assets and liabilities, net of effects of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Trade accounts receivable Increase (Decrease) in Accounts Receivable Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Other assets Increase (Decrease) in Other Operating Assets Income taxes payable Increase (Decrease) in Income Taxes Payable Other liabilities Increase (Decrease) in Other Noncurrent Liabilities Insurance claims Trade accounts payable and other accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Total adjustments Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Net cash provided by continuing operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by discontinued operating activities Cash Provided by (Used in) Operating Activities, Discontinued Operations Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Additions to property, plant and equipment Proceeds from sale of assets and other Proceeds from Sale of Property, Plant, and Equipment Purchase of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Investments in unconsolidated affiliates Payments to Acquire Equity Method Investments Proceeds from redemption of auction rate security Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Proceeds from exercises of stock options Proceeds from Stock Options Exercised Incremental tax benefit from share-based compensation awards Excess Tax Benefit from Share-based Compensation, Financing Activities Repurchases of common stock Payments for Repurchase of Common Stock Dividends paid Payments of Ordinary Dividends, Common Stock Deferred financing costs paid Payments of Financing Costs Borrowings from line of credit Proceeds from Long-term Lines of Credit Repayment of borrowings from line of credit Repayments of Long-term Lines of Credit Changes in book cash overdrafts Proceeds from (Repayments of) Bank Overdrafts Repayment of capital lease obligations Repayments of Long-term Capital Lease Obligations Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of year Cash and cash equivalents at end of year Supplemental data: Supplemental Cash Flow Information [Abstract] Cash paid for income taxes, net of refunds received Income Taxes Paid, Net Interest paid on line of credit Interest Paid