Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2021
Operating Lease, Liability	$ 34,651		$ 34,994
Operating Lease, Right-of-Use Asset	33,781		34,181
Operating Lease, Liability, Current	7,963		7,673
Operating Lease, Liability, Noncurrent	26,688		$ 27,321
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	1,125	$ 619
Operating Lease, Cost	2,349	2,233
Operating Lease, Payments	2,291	$ 2,160
Finance Lease, Principal Payments	277
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 14,582
Debt Instrument, Interest Rate, Stated Percentage	4.51%
Finance Lease, Liability, Undiscounted Excess Amount	$ 14,458
Short-term Debt
Finance Lease, Liability, Undiscounted Excess Amount	501
Operating Income (Loss)
Lease, Cost	234
Interest Expense [Member]
Lease, Cost	152
Dorner
Operating Lease, Right-of-Use Asset	$ 660
Minimum [Member]
Lessee, Operating Lease, Term of Contract	1 year
Maximum [Member]
Lessee, Operating Lease, Term of Contract	15 years