Concentration of Business (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2021 USD ($) tannery	Jun. 30, 2020 USD ($)	Mar. 31, 2021 USD ($)
Concentration Risk [Line Items]
Net sales	$ 504,678	$ 283,169
Number of tanneries | tannery	2
Long-lived assets	$ 222,348		$ 206,210
Sales Revenue, Net | Customer Concentration Risk | One Customer
Concentration Risk [Line Items]
Concentration risk		10.70%
Trade Accounts Receivable | Customer Concentration Risk | One Customer
Concentration Risk [Line Items]
Concentration risk	14.00%		12.80%
Foreign
Concentration Risk [Line Items]
Long-lived assets	$ 10,919		$ 11,377
Foreign | International net sales
Concentration Risk [Line Items]
Net sales	168,619	$ 98,869
Foreign | Net sales in foreign currencies
Concentration Risk [Line Items]
Net sales	$ 89,433	$ 55,683
Foreign | Sales Revenue, Net | International net sales
Concentration Risk [Line Items]
Concentration risk	33.40%	34.90%
Foreign | Sales Revenue, Net | Net sales in foreign currencies
Concentration Risk [Line Items]
Concentration risk	17.70%	19.70%
Foreign | Sales Revenue, Net | Customer Concentration Risk | 10 Largest Customers
Concentration Risk [Line Items]
Concentration risk	26.50%	22.10%
US
Concentration Risk [Line Items]
Long-lived assets	$ 211,429		$ 194,833