Restructuring Costs (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment costs	[1]	$ 2,599	$ 0	$ 2,599	$ 0
Employee termination benefits		800
Tobacco Operations
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment costs		$ 1,800		$ 1,800

[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 2 for additional information