Components of Income Tax Provision (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Income (loss) before income taxes	$ 260,626	$ 249,204	$ 214,825
Income (loss) before income taxes, foreign	(70,066)	39,016	42,000
Income before income taxes	190,560	288,220	256,825
Current income tax provision, Federal	25,893	8,624
Current income tax provision, State	9,184	12,379	6,563
Current income tax provision, Foreign	16,565	12,312	14,300
Current income tax provision	51,642	33,315	20,863
Deferred income tax provision, Federal	5,376	30,413	33,239
Deferred income tax provision, State	(1,720)	(2,382)	1,584
Deferred income tax provision, Foreign	(1,243)	1,349	(1,870)
Deferred income tax provision	2,413	29,380	32,953
Total income tax provision	$ 54,055	$ 62,695	$ 53,816