Derivative Instruments (Details) - USD ($)	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Foreign currency exchange contracts and hedging
Notional value	$ 0	$ 0
(Loss) gain recorded in Other comprehensive income	(1,223,000)	1,516,000
(Loss) gain recorded in Other comprehensive income			$ 8,355,000
Reclassifications from AOCL into net sales	1,223,000	(1,516,000)
Reclassifications from AOCL into net sales			(8,675,000)
Income tax benefit in Other comprehensive income	0	0
Income tax benefit in Other comprehensive income			77,000
Unrealized loss on cash flow hedges, net of tax	0	0
Unrealized loss on cash flow hedges, net of tax			(243,000)
Gain excluded from effectiveness testing recorded in SG&A expenses	0	0	1,918,000
Gain recorded in SG&A expenses	267,000	328,000	$ 1,393,000
Settled Foreign Exchange Contract
Foreign currency exchange contracts and hedging
Notional value	87,150,000	114,820,000
Designated Derivative Contracts | Settled Foreign Exchange Contract
Foreign currency exchange contracts and hedging
Notional value	68,241,000	65,569,000
Non-Designated Derivative Contracts | Settled Foreign Exchange Contract
Foreign currency exchange contracts and hedging
Notional value	$ 18,909,000	$ 49,251,000