Concentration of Business (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2020 USD ($) tannery	Dec. 31, 2019 USD ($)	Dec. 31, 2020 USD ($) tannery	Dec. 31, 2019 USD ($)	Mar. 31, 2020 USD ($)
Concentration Risk [Line Items]
Net sales	$ 1,077,759	$ 938,735	$ 1,984,453	$ 1,757,779
Number of tanneries | tannery	2		2
Long-lived assets	$ 205,695		$ 205,695		$ 209,037
Sales Revenue, Net | International net sales
Concentration Risk [Line Items]
Net sales	$ 307,239	$ 293,082	$ 602,221	$ 586,860
Concentration risk	28.50%	31.20%	30.30%	33.40%
Sales Revenue, Net | Net sales in foreign currencies
Concentration Risk [Line Items]
Net sales	$ 260,552	$ 255,990	$ 472,906	$ 474,406
Concentration risk	24.20%	27.30%	23.80%	27.00%
Sales Revenue, Net | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk	31.00%	31.70%	29.60%	30.40%
US
Concentration Risk [Line Items]
Long-lived assets	$ 192,772		$ 192,772		194,679
Foreign
Concentration Risk [Line Items]
Long-lived assets	$ 12,923		$ 12,923		$ 14,358