Discontinued Operations - Income (loss) from discontinued operations, net of tax (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Operating expenses:
Net income (loss) from discontinued operations, net of tax	$ 4,333	$ 26,453	$ 44,045	$ 75,121
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operations, Revenue	62,650	94,450	247,069	275,499
Operating expenses:
Cost of revenues	41,995	55,889	157,355	167,311
Other operating expenses	6,878	5,303	24,062	14,570
Net income (loss) from discontinued operations before income taxes	13,777	33,258	65,652	93,618
(Provision for) benefit from income taxes	(9,444)	(6,805)	(21,607)	(18,497)
Net income (loss) from discontinued operations, net of tax	$ 4,333	$ 26,453	$ 44,045	$ 75,121