Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Impairments			$ 108,900
Impairments			270,300		$ 270,300
Income tax benefit			$ 90,300
Amortization of intangible assets	$ 8,500	$ 8,700		$ 25,700	$ 27,500
Estimated Future Amortization Expense by Fiscal Year [Abstract]
2021	7,600			7,600
2022	28,300			28,300
2023	25,700			25,700
2024	25,000			25,000
2025	25,000			25,000
2026	23,800			23,800
After 2026	$ 191,000			$ 191,000