INCOME TAX: Income Tax Expense (Benefit) Attributable to Earnings (Loss) From Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Current:
U.S. Federal	$ (1,227)	$ (28,060)	$ (33,715)
Non-U.S.	305	17	146
State	1,220	(1,071)	171
Total current income tax expense (benefit)	298	(29,114)	(33,398)
Deferred:
U.S. Federal	(895)	(1,205)	(5,103)
Non-U.S.	(608)	(44)	(1,006)
State	(37)	(169)	(769)
Total deferred income tax expense (benefit)	(1,540)	(1,418)	(6,878)
Total	$ (1,242)	$ (30,532)	$ (40,276)