EARNINGS (LOSS) PER SHARE AND STOCKHOLDERS’ EQUITY: Reconciliation of Basic and Diluted Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic earnings (loss) per share:
Net loss	$ (30,436)	$ (6,431)	$ (57,654)	$ 10,934
Basic weighted-average shares outstanding (in shares)	67,096	68,042	67,750	68,185
Basic earnings (loss) per share (in USD per share)	$ (0.45)	$ (0.09)	$ (0.85)	$ 0.16
Diluted earnings (loss) per share:
Basic weighted-average shares outstanding (in shares)	67,096	68,042	67,750	68,185
Dilutive effect of common stock options and restricted stock as computed under the treasury stock method (in shares)	0	0	0	1,288
Diluted weighted-average shares outstanding (in shares)	67,096	68,042	67,750	69,473
Diluted loss per share (in USD per share)	$ (0.45)	$ (0.09)	$ (0.85)	$ 0.16