Supplemental income statement information related to leases (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Supplemental income statement information related to leases [Line Items]
Operating Lease, Cost	[1]	$ 4,982	$ 5,685	$ 9,865	$ 10,786
Cost of goods sold [Member]
Supplemental income statement information related to leases [Line Items]
Operating Lease, Cost		2,721	3,219	5,299	6,130
Selling, General and Administrative Expenses [Member]
Supplemental income statement information related to leases [Line Items]
Operating Lease, Cost		$ 2,261	$ 2,466	$ 4,566	$ 4,656

[1] Includes variable operating lease costs.