ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: Earnings (Loss) per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Equity, Class of Treasury Stock [Line Items]
Net loss from continuing operations	$ (33,833)	$ (90,268)	$ (125,261)
Earnings from discontinued operations, net of tax	0	0	750
Net loss	$ (33,833)	$ (90,268)	$ (124,511)
Basic earnings (loss) per share
Basic weighted-average shares outstanding (in shares)	68,211	66,304	67,760
Continuing operations (in dollars per share)	$ (0.50)	$ (1.36)	$ (1.85)
Discontinued operations (in dollars per share)	0	0	0.01
Basic earnings (loss) per share (in USD per share)	$ (0.50)	$ (1.36)	$ (1.84)
Diluted earnings (loss) per share
Basic weighted-average shares outstanding (in shares)	68,211	66,304	67,760
Dilutive effect of common stock options and restricted stock as computed under the treasury stock method (in shares)	0	0	0
Diluted weighted-average shares outstanding (in shares)	68,211	66,304	67,760
Continuing operations (in dollars per share)	$ (0.50)	$ (1.36)	$ (1.85)
Discontinued operations (in dollars per share)	0	0	0.01
Diluted earnings (loss) per share (in USD per share)	$ (0.50)	$ (1.36)	$ (1.84)
Stockholders' Equity Attributable to Parent [Abstract]
Antidilutive securities excluded from computation of earnings per share, amount	686	90	1,368
Continuing operations
Stockholders' Equity Attributable to Parent [Abstract]
Antidilutive securities excluded from computation of earnings per share, amount	1,300	2,700	2,400