Revenue Recognition - Revenue Disaggregated by Product or Service (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Consolidated sales and other operating revenues	$ 2,481,260	$ 2,032,559	$ 1,914,881
Leaf
Disaggregation of Revenue [Line Items]
Consolidated sales and other operating revenues	2,470,984	2,029,615	1,900,558
Leaf | Product revenue
Disaggregation of Revenue [Line Items]
Consolidated sales and other operating revenues	2,335,107	1,912,438	1,812,170
Leaf | Processing and other revenues
Disaggregation of Revenue [Line Items]
Consolidated sales and other operating revenues	135,877	117,177	88,388
All Other
Disaggregation of Revenue [Line Items]
Consolidated sales and other operating revenues	$ 10,276	$ 2,944	$ 14,323