Concentration of Business (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023 USD ($) tannery	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) tannery	Sep. 30, 2022 USD ($)	Mar. 31, 2023 USD ($)
Concentration Risk [Line Items]
Net sales	$ 1,091,907	$ 875,614	$ 1,767,698	$ 1,490,075
Number of tanneries | tannery	2		2
Long-lived assets	$ 295,212		$ 295,212		$ 266,679
Sales Revenue, Net | Customer Concentration Risk | 10 Largest Customers
Concentration Risk [Line Items]
Concentration risk	33.60%	40.10%	27.90%	30.10%
Trade Accounts Receivable | Customer Concentration Risk | Two Customers
Concentration Risk [Line Items]
Concentration risk			24.00%
Foreign
Concentration Risk [Line Items]
Long-lived assets	$ 25,165		$ 25,165		22,150
Foreign | International net sales
Concentration Risk [Line Items]
Net sales	343,874	$ 257,905	600,130	$ 487,851
Foreign | Net sales in foreign currencies
Concentration Risk [Line Items]
Net sales	$ 292,344	$ 193,130	$ 441,315	$ 302,071
Foreign | Sales Revenue, Net | International net sales
Concentration Risk [Line Items]
Concentration risk	31.50%	29.50%	33.90%	32.70%
Foreign | Sales Revenue, Net | Net sales in foreign currencies
Concentration Risk [Line Items]
Concentration risk	26.80%	22.10%	25.00%	20.30%
United States
Concentration Risk [Line Items]
Long-lived assets	$ 270,047		$ 270,047		$ 244,529