Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
Deferred tax liabilities on repatriated earnings	$ 0
Unrecognized tax benefits that would impact effective tax rate	1,400
Liability where a significant change in unrecognized tax benefits is reasonably possible	100
Tax Adjustments, Settlements, and Unusual Provisions	(29,236)	$ 0	$ 0
Income taxes	11,733	38,663	29,412
Interest expense	49,300	27,747	24,954
Brazil Tax Ruling [Member]
Income Tax [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	26,600
Interest Income, Operating	5,000
Income taxes	24,200
Federal Income Tax Provision	(2,400)
Hybrid dividend issue [Member]
Income Tax [Line Items]
Income taxes			4,400
Asset Sale Issue [Member]
Income Tax [Line Items]
Interest expense	1,800
Settlement of Uncertain Tax Position [Member]
Income Tax [Line Items]
Interest expense			$ 1,800
State And Foreign Jurisdictions [Member]
Income Tax [Line Items]
Tax Adjustments, Settlements, and Unusual Provisions	1,700	800
Income taxes	$ 1,100
Accrued Income Taxes		500
Judicial Ruling
Income Tax [Line Items]
Income taxes		$ 1,700
Minimum [Member] | State And Foreign Jurisdictions [Member]
Income Tax [Line Items]
Open tax years	3 years
Maximum [Member] | State And Foreign Jurisdictions [Member]
Income Tax [Line Items]
Open tax years	6 years