Recapitalizations and Financing Arrangements - Additional Information (Detail) | Dec. 15, 2017 | Jul. 24, 2017USD ($) | Oct. 31, 2015USD ($) | Dec. 31, 2017USD ($) | Sep. 07, 2017 | Mar. 26, 2017 | Dec. 31, 2017USD ($)Renewals | Jan. 01, 2017USD ($) | Jan. 03, 2016USD ($) | Aug. 02, 2017USD ($) | Apr. 30, 2012USD ($) |
Debt Instrument [Line Items] | | | | | | | | | | | |
Scheduled principal payments in year 2018 | | | | $ 32,324,000 | | | $ 32,324,000 | | | | |
Scheduled principal payments in year 2019 | | | | 32,358,000 | | | 32,358,000 | | | | |
Scheduled principal payments in year 2020 | | | | 509,896,000 | | | 509,896,000 | | | | |
Scheduled principal payments in year 2021 | | | | 27,440,000 | | | 27,440,000 | | | | |
Scheduled principal payments in year 2022 | | | | 880,238,000 | | | 880,238,000 | | | | |
Letters of credit | | | | 46,700,000 | | | 46,700,000 | $ 44,300,000 | | | |
Interest expense | | | | | | | 122,541,000 | 110,069,000 | $ 99,537,000 | | |
ASR Agreement on August 03 2017 [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Accelerated share repurchase, agreement amount | | | | 1,000,000,000 | | | 1,000,000,000 | | | $ 1,000,000,000 | |
ASR Agreement on October 27 2015 [Member] | Counterparty [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Accelerated share repurchase, agreement amount | | | | 600,000,000 | | | 600,000,000 | | | | |
2017 Variable Funding Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Variable Funding Notes | | | | 0 | | | 0 | 0 | | | |
2015 Class Five-Year Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument face amount | | | | 492,500,000 | | | 492,500,000 | 495,000,000 | | | |
2015 Ten-Year Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument face amount | | | | 788,000,000 | | | $ 788,000,000 | 792,000,000 | | | |
2017 Floating and Fixed Rate and 2015 Fixed Rate Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Leverage ratio of total debt to earnings before interest, tax, depreciation amortization | | | | | | | 5 | | | | |
2015 Variable Funding Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Variable Funding Notes | | | | $ 0 | | | $ 0 | 0 | | | |
2012 Fixed Rate Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument face amount | | | | | | | | 916,650,000 | | | |
Series 2012-1 5.216% Fixed Rate Senior Secured Notes [Member] | Minimum [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Leverage ratio of total debt to earnings before interest, tax, depreciation amortization | | | | | | | | | 4.5 | | |
Series 2012-1 5.216% Fixed Rate Senior Secured Notes [Member] | Maximum [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Leverage ratio of total debt to earnings before interest, tax, depreciation amortization | | | | | | | | | 4.5 | | |
Series 2012-1 5.216% Fixed Rate Senior Secured Notes [Member] | 5.261% Class A-2 Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument face amount | | | | | | | | | | | $ 1,575,000,000 |
Debt instrument, stated percentage | | | | | | | | | | | 5.216% |
Series 2012-1 5.216% Fixed Rate Senior Secured Notes [Member] | 2012 and 2015 Fixed Rate Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Leverage ratio of total debt to earnings before interest, tax, depreciation amortization | | | | | | | 4.5 | | | | |
Series 2012-1 5.216% Fixed Rate Senior Secured Notes [Member] | 2012 Fixed Rate Notes and 2015 Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Leverage ratio of total debt to earnings before interest, tax, depreciation amortization | | | | | 4.5 | 4.5 | | | | | |
Series 2012-1 5.216% Fixed Rate Senior Secured Notes [Member] | 2012 Fixed Rate Notes and 2015 Notes [Member] | Maximum [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Leverage ratio of total debt to earnings before interest, tax, depreciation amortization | | | | 5 | | | | | | | |
2012 Recapitalization [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Repayment of principal and interest | | | | | | | $ 910,500,000 | | | | |
Company wrote-off In connection with the Recapitalization | | | | | | | 5,700,000 | $ 600,000 | $ 6,900,000 | | |
2012 Recapitalization [Member] | 2012 Variable Funding Notes [Member] | Revolving Credit Facility [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Variable funding notes | | | | | | | | | | | $ 100,000,000 |
2017 Recapitalization [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Gross proceeds from the issuance of debt | | $ 1,900,000,000 | | | | | | | | | |
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | | | | | | | 6,400,000 | | | | |
Company wrote-off In connection with the Recapitalization | | | | | | | 5,500,000 | | | | |
Interest expense | | | | | | | 300,000 | | | | |
Other net 2015 Recapitalization-related general and administrative expenses | | | | | | | 600,000 | | | | |
Debt issuance costs | | | | $ 16,800,000 | | | $ 16,800,000 | | | | |
2017 Recapitalization [Member] | 2017 Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument, stated percentage | | | | 5.00% | | | 5.00% | | | | |
Scheduled principal payments in year 2018 | | | | $ 19,000,000 | | | $ 19,000,000 | | | | |
Scheduled principal payments in year 2019 | | | | 19,000,000 | | | 19,000,000 | | | | |
Scheduled principal payments in year 2020 | | | | 19,000,000 | | | 19,000,000 | | | | |
Scheduled principal payments in year 2021 | | | | 19,000,000 | | | 19,000,000 | | | | |
Scheduled principal payments in year 2022 | | | | 871,800,000 | | | 871,800,000 | | | | |
Scheduled principal payments in year 2023 | | | | 10,000,000 | | | 10,000,000 | | | | |
Scheduled principal payments in year 2024 | | | | 10,000,000 | | | 10,000,000 | | | | |
Scheduled principal payments in year 2025 | | | | 10,000,000 | | | 10,000,000 | | | | |
Scheduled principal payments in year 2026 | | | | 10,000,000 | | | 10,000,000 | | | | |
Scheduled principal payments in year 2027 | | | | 907,500,000 | | | 907,500,000 | | | | |
Payments of note | | | | | | | $ 4,800,000 | | | | |
Legal final maturity | | | | | | | 2047-10 | | | | |
2017 Recapitalization [Member] | 2017 Variable Funding Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument interest rate description | | | | | | | At the closing date of the 2017 Recapitalization, interest on the 2017 Variable Funding Notes was payable at a per year rate equal to LIBOR plus 180 basis points. | | | | |
Interest rate spread | 1.50% | | | | | | 5.00% | | | | |
Variable funding notes | | | | 175,000,000 | | | $ 175,000,000 | | | | |
Expected repayment date | | | | | | | 2022-07 | | | | |
Number of renewals | Renewals | | | | | | | 2 | | | | |
Term of renewals | | | | | | | 1 year | | | | |
Letters of credit | | | | 46,700,000 | | | $ 46,700,000 | | | | |
Line of Credit, Current Borrowing Capacity | | | | 128,300,000 | | | $ 128,300,000 | | | | |
2017 Recapitalization [Member] | 2017 Variable Funding Notes [Member] | Libor Rate [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Interest rate spread | | | | | | | 1.80% | | | | |
2017 Recapitalization [Member] | 2017 Variable Funding Notes [Member] | Minimum [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Variable fund notes, unused portion, commitment fee percentage | | | | | | | 0.50% | | | | |
2017 Recapitalization [Member] | 2017 Variable Funding Notes [Member] | Maximum [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Variable fund notes, unused portion, commitment fee percentage | | | | | | | 1.00% | | | | |
2017 Recapitalization [Member] | 2017 Variable Funding Notes [Member] | Revolving Credit Facility [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Variable funding notes | | 175,000,000 | | | | | | | | | |
2017 Recapitalization [Member] | 2017 Floating Rate Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument face amount | | $ 300,000,000 | | | | | | | | | |
Debt instrument, term | | 5 years | | | | | | | | | |
Debt instrument interest rate description | | The interest rate on the 2017 Floating Rate Notes is payable at a rate equal to LIBOR plus 125 basis points. | | | | | | | | | |
Expected repayment date | | | | | | | 2022-07 | | | | |
2017 Recapitalization [Member] | 2017 Floating Rate Notes [Member] | Libor Rate [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Interest rate spread | | 1.25% | | | | | | | | | |
2017 Recapitalization [Member] | 2017 Five-Year Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument face amount | | $ 600,000,000 | | | | | | | | | |
Debt instrument, term | | 5 years | | | | | | | | | |
Debt instrument, stated percentage | | 3.082% | | | | | | | | | |
Expected repayment date | | | | | | | 2022-07 | | | | |
2017 Recapitalization [Member] | 2017 Ten-Year Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument face amount | | $ 1,000,000,000 | | | | | | | | | |
Debt instrument, term | | 10 years | | | | | | | | | |
Debt instrument, stated percentage | | 4.118% | | | | | | | | | |
Expected repayment date | | | | | | | 2027-07 | | | | |
2017 Recapitalization [Member] | 2015 Variable Funding Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Variable Funding Notes | | | | 0 | | | $ 0 | | | | |
2015 Recapitalization [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument face amount | | | $ 1,300,000,000 | | | | | | | | |
Interest expense | | | | | | | | | 400,000 | | |
Other net 2015 Recapitalization-related general and administrative expenses | | | | | | | | | 900,000 | | |
Debt issuance costs | | | | 17,400,000 | | | 17,400,000 | | | | |
Recapitalization expenses | | | | | | | | | 8,100,000 | | |
Expenses related to write-offs of deferred financing fees, bond discount and interest rate swap related to extinguished debt | | | | | | | | | $ 6,900,000 | | |
2015 Recapitalization [Member] | 2012 Variable Funding Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Variable Funding Notes | | | | $ 0 | | | $ 0 | | | | |
2015 Recapitalization [Member] | Two Thousand Fifteen Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument, stated percentage | | | | 5.00% | | | 5.00% | | | | |
Scheduled principal payments in year 2018 | | | | $ 13,000,000 | | | $ 13,000,000 | | | | |
Scheduled principal payments in year 2019 | | | | 13,000,000 | | | 13,000,000 | | | | |
Scheduled principal payments in year 2020 | | | | 490,500,000 | | | 490,500,000 | | | | |
Scheduled principal payments in year 2021 | | | | 8,000,000 | | | 8,000,000 | | | | |
Scheduled principal payments in year 2022 | | | | 8,000,000 | | | 8,000,000 | | | | |
Scheduled principal payments in year 2023 | | | | 8,000,000 | | | 8,000,000 | | | | |
Scheduled principal payments in year 2024 | | | | 8,000,000 | | | 8,000,000 | | | | |
Scheduled principal payments in year 2025 | | | | $ 732,000,000 | | | 732,000,000 | | | | |
Payments of note | | | | | | | $ 6,500,000 | | | | |
Legal final maturity | | | | | | | 2045-10 | | | | |
2015 Recapitalization [Member] | 2015 Class Five-Year Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument face amount | | | $ 500,000,000 | | | | | | | | |
Debt instrument, term | | | 5 years | | | | | | | | |
Debt instrument, stated percentage | | | 3.484% | | | | | | | | |
Expected repayment date | | | | | | | 2020-10 | | | | |
2015 Recapitalization [Member] | 2015 Ten-Year Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Debt instrument face amount | | | $ 800,000,000 | | | | | | | | |
Debt instrument, term | | | 10 years | | | | | | | | |
Debt instrument, stated percentage | | | 4.474% | | | | | | | | |
Expected repayment date | | | | | | | 2025-10 | | | | |
2015 Recapitalization [Member] | 2015 Variable Funding Notes [Member] | Revolving Credit Facility [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Variable funding notes | | | $ 125,000,000 | | | | | | | | |
2015 Recapitalization [Member] | 2012 Fixed Rate Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Prepayment of fixed rate notes | | | $ 551,300,000 | | | | | | | | |
Class A-2-I Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Deferred financing costs, amortization period | | | | | | | 5 years | | | | |
Class A-2-I Notes [Member] | 2017 Recapitalization [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Deferred financing costs, amortization period | | | | | | | 5 years | | | | |
Class A-2-II Notes [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Deferred financing costs, amortization period | | | | | | | 10 years | | | | |
Class A-2-II Notes [Member] | 2017 Recapitalization [Member] | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | |
Deferred financing costs, amortization period | | | | | | | 10 years | | | | |