Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest in Subsidiary [Member]
Beginning balance at Mar. 31, 2021	$ 2,387,234	$ 7	$ 2,092,595	$ 249,064	$ 9,803	$ 35,765
Beginning balance, shares at Mar. 31, 2021		68,529,133
Exercise of stock options	11		11
Exercise of stock options, shares		363
Issuance of stock under Employee Stock Purchase Plan	8,706		8,706
Issuance of stock under Employee Stock Purchase Plan, shares		313,700
Stock-based compensation	27,512		27,512
Shares issued in settlement of certain accrued employee compensation liabilities	24,488		24,488
Shares issued in settlement of certain accrued employee compensation liabilities, shares		457,130
RSU awards vesting, net of shares withheld for taxes which have been retired	(458)		(458)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		20,339
Shares issued in connection with acquisition of business	207,169		207,169
Shares issued in connection with acquisition of business, shares		4,000,189
Other	78					78
Net income (loss)	18,012			16,968		1,044
Other comprehensive income (loss), net of tax	(15,742)				(15,742)
Ending balance at Jun. 30, 2021	2,657,010	$ 7	2,360,023	266,032	(5,939)	36,887
Ending balance, shares at Jun. 30, 2021		73,320,854
Beginning balance at Mar. 31, 2022	2,682,594	$ 7	2,421,950	233,530	(21,621)	48,728
Beginning balance, shares at Mar. 31, 2022		74,428,816
Issuance of stock under Employee Stock Purchase Plan	9,626		9,626
Issuance of stock under Employee Stock Purchase Plan, shares		369,712
Stock-based compensation	24,158		24,158
Shares issued in settlement of certain accrued employee compensation liabilities	27,619	$ 1	27,618
Shares issued in settlement of certain accrued employee compensation liabilities, shares		719,989
RSU awards vesting, net of shares withheld for taxes which have been retired	(505)		(505)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		33,306
Net income (loss)	(21,039)			(21,564)		525
Other comprehensive income (loss), net of tax	(20,341)				(20,341)
Ending balance at Jun. 30, 2022	$ 2,702,112	$ 8	$ 2,482,847	$ 211,966	$ (41,962)	$ 49,253
Ending balance, shares at Jun. 30, 2022		75,551,823