Restructuring and Related Activities (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment costs	[1]	$ 8,433	$ 19,979	$ 10,457	$ 19,979
Property, plant and equipment		7,806	13,886	8,307	13,886
Tobacco Operations | Africa [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment costs			2,600		2,600
Employee termination benefits		600		2,200
Tobacco Operations | Tanzania
Restructuring Cost and Reserve [Line Items]
Property, plant and equipment		$ 9,400	900		900
Tobacco Operations | North America [Member]
Restructuring Cost and Reserve [Line Items]
Employee termination benefits			$ 400		400
Ingredients
Restructuring Cost and Reserve [Line Items]
Property, plant and equipment					16,100
Employee termination benefits					$ 600
Gain on sale of impaired equipment				$ (1,200)

[1] Restructuring and impairment costs are excluded from segment operating income, but are included in consolidated operating income in the consolidated statements of income and comprehensive income. See Note 4 for additional information.