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Long-Term Debt - Additional Information (Detail) - USD ($) |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 07, 2014 | Jul. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Aug. 01, 2014 | Oct. 31, 2013 | Jun. 30, 2008 | Jun. 30, 2006
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Reduction of long-term debt |  |  | $ 68,166,000 | $ 879,129,000 | $ 440,224,000 |  |  |  |
Costs related to extinguishment of debt |  |  | $ 0 | $ 36,171,000 | $ 0 |  |  |  |
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% |  |  |  |  |
Effective interest rate |  |  | 2.40% | 3.10% | 3.60% |  |  |  |
Long-term debt |  |  | $ 3,387,303,000 | $ 3,210,215,000 |  |  |  |  |
Fair value of debt |  |  | 3,500,000,000 | 3,300,000,000 |  |  |  |  |
Accounts Receivable Securitization Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Accounts receivable securitization program, additional capacity |  |  | $ 0 |  |  |  |  |  |
3.750% Senior Secured Notes due 2019 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Senior notes, interest rate |  |  | 3.75% |  |  |  |  |  |
Unamortized discount |  |  | $ 155,000 | 198,000 |  |  |  |  |
4.750% Senior Secured Notes due 2022 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Senior notes, interest rate |  |  | 4.75% |  |  |  |  |  |
Unamortized discount |  |  | $ 177,000 | 204,000 |  |  |  |  |
7.00% Senior Unsecured Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Reduction of long-term debt |  | $ 250,000,000 |  | $ 250,000,000 |  |  |  |  |
Senior notes, interest rate |  | 7.00% |  | 7.00% |  |  |  |  |
Debt instrument redemption, date |  |  | Jul. 31, 2014 |  |  |  |  |  |
Unsecured notes make-whole redemption price |  | 104.56% |  |  |  |  |  |  |
Write-off deferred charges, original issue discount and make-whole premiums paid |  | $ 11,000,000 |  | $ 11,000,000 |  |  |  |  |
Unamortized discount |  |  |  | 5,000,000 |  |  |  |  |
Write-off deferred charges |  |  |  | 20,000,000 |  |  |  |  |
Senior notes, maturity date |  |  | Oct. 01, 2018 |  |  |  |  |  |
Accounts Receivable Securitization Program |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Accounts receivable securitization program |  |  | $ 400,000,000 |  |  |  |  |  |
Senior Notes 7.125% |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Senior notes, issued |  |  |  |  |  |  |  |  | $ 250,000,000
Senior notes, interest rate |  |  |  |  |  |  |  |  | 7.125%
Senior notes, maturity date |  |  | Jun. 30, 2016 |  |  |  |  |  |
Senior notes, repayment terms |  |  | 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 |
Credit Agreement And Securitization |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Average amounts outstanding under Credit Agreement, Prior Credit Agreement, demand notes and accounts receivable securitization programs |  |  | $ 2,100,000,000 | $ 2,400,000,000 | $ 2,900,000,000 |  |  |  |
Effective interest rate |  |  | 1.70% | 1.80% | 2.20% |  |  |  |
Maximum amounts outstanding at any month-end |  |  | $ 2,300,000,000 | $ 2,700,000,000 | $ 3,000,000,000 |  |  |  |
Amendment of Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, starting date | Aug. 07, 2014 |  | Aug. 07, 2014 |  |  |  |  |  |
Line of credit facility, maturity month | 2019-08 |  | 2019-08 |  |  |  |  |  |
Accounts receivable securitization program credit facility, borrowing capacity |  |  | $ 400,000,000 |  |  | $ 360,000,000 | $ 275,000,000 |  |
Amendment of Credit Facility | Accounts Receivable Securitization Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, starting date |  |  | Aug. 01, 2014 |  |  |  |  |  |
Line of credit facility, extended maturity date |  |  | Dec. 21, 2018 |  |  |  |  |  |
Line of credit facility, starting Period |  |  | 2015-12 |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, borrowing capacity | $ 800,000,000 |  | $ 800,000,000 |  |  |  |  |  |
Line of credit facility amount outstanding |  |  | $ 300,000,000 |  |  |  |  |  |
Current applicable margins |  |  | 1.50% |  |  |  |  |  |
Line of credit facility, available borrowing capacity |  |  | $ 461,000,000 |  |  |  |  |  |
Letters of credit, outstanding |  |  | 34,000,000 |  |  |  |  |  |
Revolving Credit Facility | Short Term on Demand Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility amount outstanding |  |  | 5,000,000 |  |  |  |  |  |
Revolving Credit Facility | Letter of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, borrowing capacity |  |  | $ 125,000,000 |  |  |  |  |  |
Revolving Credit Facility | ABR-based loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Current applicable margins |  |  | 0.50% |  |  |  |  |  |
Revolving Credit Facility | Minimum | One Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  | 0.50% |  |  |  |  |  |
Revolving Credit Facility | Minimum | One Two Three Six Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  | 1.50% |  |  |  |  |  |
Revolving Credit Facility | Maximum | One Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  | 1.25% |  |  |  |  |  |
Revolving Credit Facility | Maximum | One Two Three Six Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  | 2.25% |  |  |  |  |  |
Term Loan A |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility amount outstanding |  |  | $ 1,717,940,000 | 1,761,872,000 |  |  |  |  |
Unamortized discount |  |  | $ 1,593,000 | 2,035,000 |  |  |  |  |
Current applicable margins |  |  | 1.50% |  |  |  |  |  |
Term Loan A | ABR-based loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Current applicable margins |  |  | 0.50% |  |  |  |  |  |
Term Loan A | Minimum | One Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  | 0.50% |  |  |  |  |  |
Term Loan A | Minimum | One Two Three Six Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  | 1.50% |  |  |  |  |  |
Term Loan A | Maximum | One Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  | 1.25% |  |  |  |  |  |
Term Loan A | Maximum | One Two Three Six Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  | 2.25% |  |  |  |  |  |
Term Loan A | Quarterly installment payments commence in the fourth quarter of 2014 through September, 2016 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Scheduled principal payments made |  |  |  | 11,000,000 |  |  |  |  |
Term Loan A | Quarterly installment payments after September, 2016 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Scheduled principal payments made |  |  |  | $ 22,000,000 |  |  |  |  |
Term Loan A | Amendment of Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, borrowing capacity | 1,775,000,000 |  |  |  |  |  |  |  |
Line of credit facility amount outstanding |  |  | $ 1,720,000,000 |  |  |  |  |  |
Term Loan B Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Reduction of long-term debt |  |  | $ 550,000,000 |  |  |  |  |  |
Line of credit facility, maturity year |  |  | 2016 |  |  |  |  |  |
New Senior Secured Notes | 3.750% Senior Secured Notes due 2019 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Senior notes, issued | $ 300,000,000 |  |  |  |  |  |  |  |
Senior notes, interest rate | 3.75% |  |  |  |  |  |  |  |
Senior notes, maturity date |  |  | Aug. 01, 2019 |  |  |  |  |  |
Senior notes, interest payment, commencement date |  |  | Feb. 01, 2015 |  |  |  |  |  |
New Senior Secured Notes | 4.750% Senior Secured Notes due 2022 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Senior notes, issued | $ 300,000,000 |  |  |  |  |  |  |  |
Senior notes, interest rate | 4.75% |  |  |  |  |  |  |  |
Senior notes, maturity date |  |  | Aug. 01, 2022 |  |  |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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- Definition Date the credit facility first became available, in CCYY-MM-DD format. + 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 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition Disclosure of timing of required repayments, sinking fund requirements, and other redeemable securities at fixed or determinable prices and dates in the five years immediately following the date of the latest balance sheet presented in the financial statements, and the amount thereafter to fully repay the principal of long-term debt. These disclosures may be made either on an individual debt or security basis, by type of debt or security basis, or on a combined basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 + Details
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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition This is the principal amount outstanding for securitized loans only (across all types of loans). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51814546&loc=d3e107314-111719 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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