Income Taxes - Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Accounts receivable, principally due to the allowance for doubtful accounts	$ 13,987	$ 10,515
Accrued expenses not currently deductible for tax	6,252	3,442
Lease deferral	20,349	23,506
Interest rate swap	7,621	21,792
Stock based compensation	39,658	36,015
Income tax credits	51,264	51,264
Net operating loss carry forwards	76,988	83,372
Accrued escheat	3,170	3,567
Other	10,078	11,711
Deferred tax assets before valuation allowance	229,367	245,184
Valuation allowance	(94,601)	(90,340)
Deferred tax assets, net	134,766	154,844
Deferred tax liabilities:
Intangibles—including goodwill	(520,349)	(481,388)
Basis difference in investment in subsidiaries	(42,938)	(42,313)
Lease deferral	(17,739)	(19,977)
Accrued Expense Liability	(795)	(513)
Prepaid expenses	(1,788)	(2,126)
Withholding taxes	(38,704)	(30,488)
Property and equipment and other	(76,810)	(71,342)
Deferred tax liabilities	(699,123)	(648,147)
Net deferred tax liabilities	$ (564,357)	$ (493,303)