ALLOWANCE FOR CREDIT LOSSES: Summary of the Activity of the Allowance for Doubtful Accounts, Returns and Credits (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 9,961
Additions charged to costs and expenses	1,115	$ 1,282
Other changes	(27)
Bad debts written off, net of amounts recovered	(967)
Balance at end of period	$ 10,082