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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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Other comprehensive income loss discontinued operation gain loss from disposal of discontinued operation net of tax.

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Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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