New Accounting Standards (Detail) - USD ($) $ in Thousands	Jan. 01, 2022	Dec. 31, 2021	Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings		$ 1,698,156	$ 1,506,271
Long-term debt, net		297,158	286,131
Derecognition of additional paid in capital		(13,662)	0
Derecognition of deferred tax liabilities		$ (143,451)	$ (137,967)
Accounting Standards Update 2020-06 | Cumulative Effect, Period of Adoption, Adjustment | Forecast
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings	$ 22,100
Long-term debt, net	16,400
Derecognition of additional paid in capital	34,100
Derecognition of deferred tax liabilities	$ 4,300