Leases, Cost Recognized in Consolidated Statements of Income (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Lease cost [Abstract]
Operating lease cost	$ 3,232,000	$ 3,134,000	$ 9,527,000	$ 9,325,000
Short-term lease cost	340,000	361,000	1,353,000	1,112,000
Variable lease cost	164,000	225,000	528,000	716,000
Finance lease cost [Abstract]
Amortization of finance lease assets	503,000	515,000	1,531,000	1,579,000
Interest on finance lease liabilities	68,000	83,000	200,000	269,000
Total lease cost	$ 4,307,000	$ 4,318,000	$ 13,139,000	$ 13,001,000