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
	Jun. 30, 2022	Jun. 30, 2021
Basic earnings (loss) per share:
Net earnings	$ (27,218)	$ 17,365
Basic weighted-average shares outstanding (in shares)	68,403	68,328
Basic earnings (loss) per share (in USD per share)	$ (0.40)	$ 0.25
Diluted earnings (loss) per share:
Basic weighted-average shares outstanding (in shares)	68,403	68,328
Dilutive effect of common stock options and restricted stock as computed under the treasury stock method (in shares)	0	1,277
Diluted weighted-average shares outstanding (in shares)	68,403	69,605
Diluted loss per share (in USD per share)	$ (0.40)	$ 0.25