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Long-Term Debt - Additional Information (Detail) (USD $) | 12 Months Ended |  |  | 1 Months Ended | 12 Months Ended | 1 Months Ended | 9 Months Ended |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  | 1 Months Ended |  | 12 Months Ended |  |  |  |  | 12 Months Ended |  |  |  | 1 Months Ended | 3 Months Ended |  |  |  | 12 Months Ended | 3 Months Ended | 1 Months Ended |
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Oct. 31, 2013 | Dec. 31, 2013 ABR-based loans | Dec. 31, 2013 Accounts Receivable Securitization Facility | Sep. 29, 2010 7.00% Senior Unsecured Notes | Dec. 31, 2013 7.00% Senior Unsecured Notes | Sep. 29, 2010 7.00% Senior Unsecured Notes Debtor Optional Redemption Period 1 | Sep. 29, 2010 7.00% Senior Unsecured Notes Debtor Optional Redemption Period 2 | Sep. 29, 2010 7.00% Senior Unsecured Notes Debtor Optional Redemption Period 3 | Jun. 30, 2006 Senior Notes 7.125% | Sep. 30, 2013 Senior Notes 7.125% | Jun. 30, 2008 Senior Notes 7.125% | Dec. 31, 2013 Credit Agreement And Securitization | Dec. 31, 2012 Credit Agreement And Securitization | Dec. 31, 2011 Credit Agreement And Securitization | Dec. 31, 2013 Amendment of Credit Facility | Sep. 30, 2012 Term Loan- A2 | Dec. 31, 2013 Term Loan- A2 | Dec. 31, 2012 Term Loan- A2 | Dec. 31, 2013 Term Loan- A2 One Month Eurodollar Rate Plus Index Based Loans Minimum | Dec. 31, 2013 Term Loan- A2 One Month Eurodollar Rate Plus Index Based Loans Maximum | Dec. 31, 2013 Term Loan- A2 One Two Three Six Month Eurodollar Rate Plus Index Based Loans Minimum | Dec. 31, 2013 Term Loan- A2 One Two Three Six Month Eurodollar Rate Plus Index Based Loans Maximum | Sep. 30, 2012 Term Loan- A2 Amendment of Credit Facility | Dec. 31, 2013 Term Loan- A2 Amendment of Credit Facility | Dec. 31, 2013 Revolving Credit Facility | Sep. 30, 2012 Revolving Credit Facility | Dec. 31, 2013 Revolving Credit Facility One Month Eurodollar Rate Plus Index Based Loans Minimum | Dec. 31, 2013 Revolving Credit Facility One Month Eurodollar Rate Plus Index Based Loans Maximum | Dec. 31, 2013 Revolving Credit Facility One Two Three Six Month Eurodollar Rate Plus Index Based Loans | Dec. 31, 2013 Revolving Credit Facility One Two Three Six Month Eurodollar Rate Plus Index Based Loans Maximum | Dec. 31, 2013 Revolving Credit Facility Amendment of Credit Facility | Nov. 15, 2010 Revolving Credit Facility Amendment of Credit Facility | Sep. 30, 2012 Revolving Credit Facility Amendment of Credit Facility Extended Maturity | Dec. 31, 2013 Term Loan A | Dec. 31, 2012 Term Loan A | Sep. 30, 2012 Term Loan A | Dec. 31, 2013 Term Loan A One Month Eurodollar Rate Plus Index Based Loans Minimum | Dec. 31, 2013 Term Loan A One Month Eurodollar Rate Plus Index Based Loans Maximum | Dec. 31, 2013 Term Loan A One Two Three Six Month Eurodollar Rate Plus Index Based Loans Minimum | Dec. 31, 2013 Term Loan A One Two Three Six Month Eurodollar Rate Plus Index Based Loans Maximum | Dec. 31, 2013 Term Loan A Amendment of Credit Facility | Sep. 30, 2012 Term Loan A Amendment of Credit Facility Extended Maturity | Sep. 30, 2012 Term Loan B Facility | Dec. 31, 2013 Term Loan B Facility | Dec. 31, 2012 Term Loan B Facility | Dec. 31, 2013 Term Loan B Facility One Month Eurodollar Rate Plus Index Based Loans | Dec. 31, 2013 Term Loan B Facility One Two Three Six Month Eurodollar Rate Plus Index Based Loans | Dec. 31, 2013 Term Loan B Facility Amendment of Credit Facility | Dec. 31, 2013 Short Term on Demand Credit Facility | Dec. 31, 2013 Term Loan-A and Term Loan A2 facilities | Dec. 31, 2013 Term Loan-B facility | May 31, 2013 Tranche B-1 Term Loan Amendment of Credit Facility | May 31, 2013 Tranche B-1 Term Loan Amendment of Credit Facility Minimum
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 900,000,000 |  |  |  |  |  |  |  |  | $ 800,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 745,900,000 |
Term loan interest rate description |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Borrowings under the Tranche B-1 term loan bear interest at a rate per annum equal to, at our election, one, two, three or six month LIBOR, plus an applicable margin of 2.25% or ABR plus an applicable margin of 1.25% |
Applicable margin percentage on LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.25% |
Applicable margin percentage on ABR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.25% |
Minimum LIBOR rate for term loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |
Minimum ABR rate for term loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00%
Line of credit facility, maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aug. 15, 2016 |  | Nov. 15, 2015 |  |  |  |  |  |  |  |  | Nov. 15, 2015 |  |  |  |  |  |  |  | Aug. 15, 2016 |  |  |  |  |  |  |  |  |  |  |
Line of credit facility amount outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,160,000,000 |  | 871,875,000 | 894,375,000 |  |  |  |  |  | 872,000,000 | 800,000,000 |  |  |  |  |  | 800,000,000 |  | 777,000,000 | 935,308,000 | 983,438,000 |  |  |  |  |  | 939,000,000 | 892,000,000 |  | 543,527,000 | 737,176,000 |  |  | 550,000,000 | 25,000,000 |  |  |  |
Line of credit facility, available borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 755,000,000 | 23,000,000 |  |  |  |  |  |  |  |  |  | 43,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from the new term loan-A2 facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 700,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable rate basis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |
Costs related to extinguishment of debt | 0 | 29,170,000 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,000,000 |  |  |  |  |  |  |  |  |  |
Letters of credit, outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 125,000,000 |  |  |  |  |  |  |  |  |  | 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate adjustment to weighted average federal funds rate for credit facility borrowings | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate adjustment to one month Eurodollar rate on credit facility borrowings | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated leverage ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.50% | 1.25% | 1.50% | 2.25% |  |  |  |  | 0.50% | 1.25% | 1.50% | 2.25% |  |  |  |  |  |  | 0.50% | 1.25% | 1.50% | 2.25% |  |  |  |  |  | 1.25% | 2.25% |  |  |  |  |  |
Current applicable margins |  |  |  |  | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |  |  |  | 1.50% |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |  |  |  |  |  | 2.25% |  |  |  |  |  |  |  |  |
Scheduled principal payments made |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72,000,000 |  |  |
Quarterly installment payments due in 2014 | 99,312,000 | 2,589,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72,000,000 |  |  |
Quarterly installment payments due in 2015 | 139,261,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 77,000,000 |  |  |
Quarterly installment payments due in 2016 | 2,804,569,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 46,000,000 |  |  |
Repayment of credit facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 196,000,000 |  |
Accounts receivable securitization program credit facility, borrowing capacity |  |  |  | 275,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable securitization program credit facility, amount outstanding | 240,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable securitization program, additional capacity |  |  |  |  |  | 35,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes, issued |  |  |  |  |  |  | 250,000,000 |  |  |  |  | 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes, interest rate |  |  |  |  |  |  | 7.00% |  |  |  |  | 7.125% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes, maturity date |  |  |  |  |  |  |  | Oct. 01, 2018 |  |  |  |  | Jun. 30, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unsecured Notes make-whole redemption price |  |  |  |  |  |  |  |  | 103.50% | 101.75% | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Treasury rate plus, basis points |  |  |  |  |  |  | 50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes, repayment terms |  |  |  |  |  |  | Payable semiannually in arrears on April 1st and October 1st of each year |  |  |  |  | Interest on the 7.125% Notes is payable semiannually in arrears on June 30th and December 30th of each year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility additional borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  | 150,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average amounts outstanding under Credit Agreement, Prior Credit Agreement, demand notes and accounts receivable securitization programs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,900,000,000 | 2,900,000,000 | 2,900,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective interest rate | 3.60% | 4.50% | 4.60% |  |  |  |  |  |  |  |  |  |  |  | 2.20% | 2.90% | 3.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum amounts outstanding at any month-end |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,000,000,000 | 3,060,000,000 | 3,030,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of debt | 3,400,000,000 | 3,800,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 3,209,762,000 | $ 3,727,431,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Applicable Margin For Libor Rate Loans + References No definition available. + Details
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- Definition Applicable Margin On Alternate Base Rate + References No definition available. + Details
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- Definition Consolidated Leverage Ratio + References No definition available. + Details
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- Definition Debt Instrument Alternate Base Rate Percentage + References No definition available. + Details
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- Definition Debt Instrument Margin On Libor Rate Minimum Percentage + References No definition available. + Details
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- Definition Debt instrument, maximum outstanding amount. + References No definition available. + Details
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- Definition Interest Rate Margin Adjustment Percentage + References No definition available. + Details
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- Definition Line of Credit Facility, Additional Borrowing Capacity + References No definition available. + Details
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- Definition LIBOR, Interest Rate Floor + References No definition available. + Details
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- Definition Rate Adjustment To Federal Funds Rate Weighted Average + References No definition available. + Details
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- Definition Rate adjustment to one month Eurodollar rate on credit facility borrowings. + References No definition available. + Details
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- Definition Securitized borrowings credit facility borrowing capacity. + References No definition available. + Details
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- Definition Treasury rate plus, basis points. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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