Restructuring and Related Activities (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment costs	[1]	$ 0	$ 0	$ 0	$ 2,024
Tobacco Operations
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment costs					1,500
Ingredients
Restructuring Cost and Reserve [Line Items]
Impairment, Long-Lived Asset, Held-for-Use					$ 500

[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.