Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Current:
U.S. Federal	$ (3,232)	$ 2,515
U.S. State	(577)	5,805	466
Foreign	4,256	2,789	102
Current income tax provision (benefit)	447	11,109	568
Deferred:
U.S. Federal	(27,514)	(47,052)	(113,523)
U.S. State	(21,340)	(1,249)	(30,297)
Foreign	(204)	2,005	(2)
Deferred income tax provision (benefit)	(49,058)	(46,296)	(143,822)
Total income tax provision (benefit)	$ (48,611)	$ (35,187)	$ (143,254)