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Long-Term Debt - Additional information (Detail) shares in Thousands |  |  | 2 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 13, 2020 USD ($) | Jun. 19, 2019 | Feb. 20, 2020 USD ($) shares | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2019 | Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 USD ($) shares | Aug. 12, 2019 USD ($)
Annual principal payments |  |  |  |  |  |  |  |  |  |
2020 |  |  |  |  |  |  | $ 130,708,000 |  |  |
2021 |  |  |  |  |  |  | 153,110,000 |  |  |
2022 |  |  |  |  |  |  | 168,951,000 |  |  |
2023 |  |  |  |  |  |  | 224,437,000 |  |  |
2024 |  |  |  |  |  |  | $ 3,172,298,000 |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate |  |  |  |  |  |  | 44.29% |  |  |
Long-term debt, weighted average interest rate, at point in time |  |  |  |  |  |  | 4.46% |  |  |
Long-term debt, weighted average effective interest rate during period |  |  |  |  |  |  | 5.01% |  |  |
Debt prepayment, refinancing, and redemption charges |  |  |  | $ 21,242,000 | $ 12,160,000 |  | $ 33,402,000 | $ 0 | $ 0 |
Purchase of treasury stock |  |  |  |  |  |  | $ (2,402,475,000) | $ (1,153,511,000) | $ (810,949,000) |
Repurchase of common stock (in shares) | shares |  |  |  |  |  |  | 41,020 | 16,844 | 12,967 |
Letters of Credit Outstanding, Amount |  |  |  |  |  |  | $ 59,705,000 |  |  |
Interest Expense, Debt |  |  |  |  |  |  | 419,639,000 | $ 461,897,000 | $ 406,341,000 |
Amortization of Debt Issuance Costs |  |  |  |  |  |  | $ 24,185,000 | 25,538,000 | 24,293,000 |
Interest Rate Cap Agreements Member Effective June 30, 2019 |  |  |  |  |  |  |  |  |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Derivative, effective date |  |  |  |  |  |  | Jun. 30, 2020 |  |  |
Senior Notes 5.75% due 2022 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Early Repayment of Senior Debt |  |  |  |  |  |  | $ 1,267,565,000 |  |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | Aug. 15, 2022 |  |  |
Senior Secured Credit Facilities |  |  |  |  |  |  |  |  |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate, at point in time |  |  |  |  |  |  | 3.93% |  |  |
Tender Offer |  |  |  |  |  |  |  |  |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Purchase of treasury stock |  |  |  |  |  |  | $ (1,234,154,000) | $ 0 | $ 0 |
Repurchase of common stock (in shares) | shares |  |  |  |  |  |  | 21,802 | 0 | 0 |
Maximum | Term Loan Facility | Interest Rate Cap Agreements Member Effective June 30, 2019 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin |  |  |  |  |  |  | 2.00% |  |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Notional amounts of interest rate agreements |  |  |  |  |  |  | $ 3,500,000,000 |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  | $ 0 | $ 175,000,000 |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | Dec. 24, 2019 |  |  |
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin |  |  |  |  |  | 2.00% |  |  |  |
New revolving line of credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity on revolving credit facilities |  |  |  |  |  |  | $ 1,000,000,000 |  |  | $ 1,000,000,000
Annual principal payments |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | Aug. 12, 2024 |  |  |
New revolving line of credit | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin |  |  |  |  |  |  | 1.50% |  |  |
Incremental Revolving Line Of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity on revolving credit facilities |  |  |  |  |  |  |  |  |  | $ 1,500,000,000
Incremental Revolving Line Of Credit | Maximum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Required Leverage Ratio Covenant |  |  |  |  |  |  |  |  |  | 3.50
Letter of Credit |  |  |  |  |  |  |  |  |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Letters of Credit Outstanding, Amount |  |  |  |  |  |  | $ 13,055,000 |  |  |
Prior Term Loan A |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Early Repayment of Senior Debt |  |  |  |  |  |  | 647,424,000 |  |  |
Secured Debt |  |  |  |  |  |  | 0 | 675,000,000 |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Debt instrument, annual principal payment |  |  |  |  |  |  | $ 27,576,000 |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | Dec. 24, 2019 |  |  |
Prior Term Loan A | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin |  |  |  |  |  | 2.00% |  |  |  |
Prior Term Loan A-2 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Early Repayment of Senior Debt |  |  |  |  |  |  | $ 995,000,000 |  |  |
Secured Debt |  |  |  |  |  |  | $ 0 | 995,000,000 |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | Dec. 24, 2019 |  |  |
Prior Term Loan A-2 | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin |  |  |  |  |  | 1.00% |  |  |  |
Prior Term Loan B |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Early Repayment of Senior Debt |  |  |  |  |  |  | $ 2,823,447,000 |  |  |
Secured Debt |  |  |  |  |  |  | 0 | 3,342,500,000 |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Debt instrument, annual principal payment |  |  |  |  |  |  | $ 17,500,000 |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | Jun. 24, 2021 |  |  |
Prior Term Loan B | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin |  |  |  |  |  | 2.75% |  |  |  |
New Credit Agreement |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |  |  |  | $ 5,500,000,000
New Credit Agreement | Maximum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Required Leverage Ratio Covenant |  |  |  |  |  |  |  |  |  | 4.00
Required Leverage Ratio Covenant Through Year Four |  |  |  |  |  |  |  |  |  | 5.00
Required Leverage Ratio Covenant After Year Four |  |  |  |  |  |  |  |  |  | 4.50
New Term Loan A |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  | $ 1,739,063,000 | 0 |  | $ 1,750,000,000
Annual principal payments |  |  |  |  |  |  |  |  |  |
2019 |  |  |  |  |  |  | 10,937,000 |  |  |
2020 |  |  |  |  |  |  | 54,689,000 |  |  |
2021 |  |  |  |  |  |  | 87,500,000 |  |  |
2022 |  |  |  |  |  |  | 98,437,000 |  |  |
2023 |  |  |  |  |  |  | 142,187,000 |  |  |
2024 |  |  |  |  |  |  | 1,356,250,000 |  |  |
Debt instrument, annual principal payment |  |  |  |  |  |  | $ 10,937,000 |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | Aug. 12, 2024 |  |  |
New Term Loan A | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin |  |  |  |  |  |  | 1.50% |  |  |
New Term Loan A | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin |  |  |  |  |  |  | 1.00% |  |  |
New Term Loan A | London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin |  |  |  |  |  |  | 2.00% |  |  |
New Term Loan B |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  | $ 2,743,125,000 | $ 0 |  | $ 2,750,000,000
Annual principal payments |  |  |  |  |  |  |  |  |  |
2019 |  |  |  |  |  |  | 6,875,000 |  |  |
2020 |  |  |  |  |  |  | 27,500,000 |  |  |
2021 |  |  |  |  |  |  | 27,500,000 |  |  |
2022 |  |  |  |  |  |  | 27,500,000 |  |  |
2023 |  |  |  |  |  |  | 27,500,000 |  |  |
2024 |  |  |  |  |  |  | 27,500,000 |  |  |
2025 |  |  |  |  |  |  | 27,500,000 |  |  |
2026 |  |  |  |  |  |  | 2,578,125,000 |  |  |
Debt instrument, annual principal payment |  |  |  |  |  |  | $ 6,875,000 |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | Aug. 12, 2026 |  |  |
New Term Loan B | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin |  |  |  |  |  |  | 2.25% |  |  |
Prior Term Loan B and Prior Revolving Line Of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Early Repayment of Senior Debt |  |  |  |  |  |  | $ 1,153,274,000 |  |  |
New Term Loan A subject to uncapped portion of variability of LIBOR |  |  |  |  |  |  |  |  |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Long-term Line of Credit |  |  |  |  |  |  | $ 982,188,000 |  |  |
Discontinued Operations, Held-for-sale | DMG - Held for sale |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Business acquisition, effective date of acquisition |  | Jun. 19, 2019 |  |  |  |  |  |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Purchase of treasury stock |  |  | $ (21,794,000) |  |  |  |  |  |  |
Repurchase of common stock (in shares) | shares |  |  | 291 |  |  |  |  |  |  |
Subsequent Event | New Term Loan B |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Secured Debt | $ 2,743,125,000 |  |  |  |  |  |  |  |  |
Subsequent Event | New Term Loan B-1 |  |  |  |  |  |  |  |  |  |
Annual principal payments |  |  |  |  |  |  |  |  |  |
Debt Instrument Agreement Date | Feb. 13, 2020 |  |  |  |  |  |  |  |  |
Additional Debt Principal Amount Due To New Agreement | $ 0 |  |  |  |  |  |  |  |  |
Proceeds From New Agreement On Secured Debt | $ 0 |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date | Aug. 12, 2026 |  |  |  |  |  |  |  |  |
Subsequent Event | New Term Loan B-1 | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
LIBOR plus interest margin | 1.75% |  |  |  |  |  |  |  |  |

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- Definition Debt prepayment, refinancing and redemption charges related to long-term debt. + References No definition available. + Details
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