CONDENSED CONSOLIDATED STATEMENT OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional paid-in Capital	Retained earnings	Accumulated other comprehensive income (loss)	Treasury Stock
Balance, beginning of the period (in shares) at Mar. 31, 2019		141,865,888				(73,167,892)
Balance, beginning of the period at Mar. 31, 2019	$ 1,330,832	$ 14,187	$ 1,406,813	$ 1,669,605	$ 7,801	$ (1,767,574)
Increase (Decrease) in Stockholders' Equity
Employee stock awards, benefit plans and other issuances (in shares)		266,011				(537,694)
Employee stock awards, benefit plans and other issuances	(19,786)	$ 27	4,709			$ (24,522)
Non-cash stock-based compensation (in shares)		71,211
Non-cash stock-based compensation	65,219	$ 7	65,212
Restricted stock units vested (in shares)		1,342,337
Restricted stock units vested	0	$ 134	(134)
Liability-classified restricted stock units vested (in shares)		393,306
Liability-classified restricted stock units vested	17,704	$ 39	17,665
Acquisition-related restricted stock award	2,300		2,300
Acquisition of treasury stock (in shares)						(4,375,728)
Acquisition of treasury stock	(182,190)					$ (182,190)
Other comprehensive income (loss):
Foreign currency translation	(2,056)				(2,056)
Net loss	(124,511)			(124,511)
Balance, end of the period (in shares) at Mar. 31, 2020		143,938,753				(78,081,314)
Balance, end of the period at Mar. 31, 2020	1,087,512	$ 14,394	1,496,565	1,545,094	5,745	$ (1,974,286)
Increase (Decrease) in Stockholders' Equity
Employee stock awards, benefit plans and other issuances (in shares)		583,476				(182,730)
Employee stock awards, benefit plans and other issuances	(1,182)	$ 58	8,680			$ (9,920)
Non-cash stock-based compensation (in shares)		21,736
Non-cash stock-based compensation	84,396	$ 2	84,394
Restricted stock units vested (in shares)		2,186,763
Restricted stock units vested	0	$ 219	(219)
Liability-classified restricted stock units vested (in shares)		1,084,237
Liability-classified restricted stock units vested	40,760	$ 108	40,652
Acquisition of treasury stock (in shares)						(1,321,666)
Acquisition of treasury stock	(42,312)					$ (42,312)
Other comprehensive income (loss):
Foreign currency translation	1,777				1,777
Net loss	(90,268)			(90,268)
Balance, end of the period (in shares) at Mar. 31, 2021		147,814,965				(79,585,710)
Balance, end of the period at Mar. 31, 2021	1,080,683	$ 14,781	1,630,072	1,454,826	7,522	$ (2,026,518)
Increase (Decrease) in Stockholders' Equity
Employee stock awards, benefit plans and other issuances (in shares)		254,069				(290,675)
Employee stock awards, benefit plans and other issuances	(8,360)	$ 26	6,240			$ (14,626)
Non-cash stock-based compensation (in shares)		52,459
Non-cash stock-based compensation	71,180	$ 5	71,175
Restricted stock units vested (in shares)		1,131,489
Restricted stock units vested	0	$ 113	(113)
Liability-classified restricted stock units vested (in shares)		547,343
Liability-classified restricted stock units vested	13,803	$ 55	13,748
Acquisition-related restricted stock award (in shares)		40,600
Acquisition-related restricted stock award	0	$ 4	(4)
Acquisition of treasury stock (in shares)						(1,329,211)
Acquisition of treasury stock	(58,621)					$ (58,621)
Other comprehensive income (loss):
Foreign currency translation	(1,792)				(1,792)
Net loss	(33,833)			(33,833)
Balance, end of the period (in shares) at Mar. 31, 2022		149,840,925				(81,205,596)
Balance, end of the period at Mar. 31, 2022	$ 1,063,060	$ 14,984	$ 1,721,118	$ 1,420,993	$ 5,730	$ (2,099,765)