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Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Balance | $ 1,899,456 | $ 2,505,381
Foreign currency translation gain (loss) | (4,260) | 61,247
Gain (loss) on derivative instruments, net of tax of $0.0 million, $0.1 million and $(3.9) million, respectively | 19 | (11,272)
Pension liability adjustment, net of tax of $0.0 million, $0.0 million and $(0.8) million, respectively |  | (6,456)
U.K. Sale | 375,606 |
Balance | 2,517,489 | 1,899,456
Foreign Currency Translation Adjustments [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Balance | (373,101) | (434,633)
Foreign currency translation gain (loss) | (4,293) | 61,532
U.K. Sale | 377,394 |
Balance |  | (373,101)
Change in Fair Value of Derivative Instruments [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Balance | 13,686 | 24,958
Gain (loss) on derivative instruments, net of tax of $0.0 million, $0.1 million and $(3.9) million, respectively | 19 | (11,272)
U.K. Sale | (13,705) |
Balance |  | 13,686
Pension Plan [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Balance | (11,950) | (5,209)
Foreign currency translation gain (loss) | 33 | (285)
Pension liability adjustment, net of tax of $0.0 million, $0.0 million and $(0.8) million, respectively |  | (6,456)
U.K. Sale | 11,917 |
Balance |  | (11,950)
Other Comprehensive Loss [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Balance | $ (371,365) | (414,884)
Balance |  | $ (371,365)

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