Other Contingent Liabilities And Other Matters (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2023	Mar. 31, 2023
Other Contingent Liabilities and Other Matters [Line Items]
Other contingent liabilities	$ 1,000
Net provision for losses (recoveries) on advances to suppliers	9,950	$ 6,127
Stock repurchase program authorized amount	100,000
Stock repurchase program remaining authorized repurchase amount	95,000
Sales agreement to sell common stock of subsidiary company, value		8,500
Restricted cash (Other noncurrent assets)			$ 6,000
Advances to suppliers [Member]
Other Contingent Liabilities and Other Matters [Line Items]
Advances to suppliers current and non-current	186,000	186,000		$ 199,000
Valuation allowances	25,000	21,000		24,000
Net provision for losses (recoveries) on advances to suppliers	10,000	6,100
Recoverable value added tax credits [Member]
Other Contingent Liabilities and Other Matters [Line Items]
Aggregate balance of recoverable value added tax credits	63,000	66,000		64,000
Valuation allowances	21,000	$ 24,000		$ 22,000
Santa Catarina [Member]
Other Contingent Liabilities and Other Matters [Line Items]
Brazil audit assessment for tax, penalties, and interest on recoverable value added tax credits	10,000
Reduced Brazil audit assessment for tax, penalties, and interest on recoverable value added tax credits	11,000
Loss contingency amount accrued	0
Santa Catarina [Member] | Minimum [Member]
Other Contingent Liabilities and Other Matters [Line Items]
Estimate of possible loss on remaining VAT audit assessment	0
Santa Catarina [Member] | Maximum [Member]
Other Contingent Liabilities and Other Matters [Line Items]
Estimate of possible loss on remaining VAT audit assessment	11,000
Parana [Member]
Other Contingent Liabilities and Other Matters [Line Items]
Brazil audit assessment for tax, penalties, and interest on recoverable value added tax credits	11,000
Reduced Brazil audit assessment for tax, penalties, and interest on recoverable value added tax credits	3,000
Loss contingency amount accrued	0
Parana [Member] | Minimum [Member]
Other Contingent Liabilities and Other Matters [Line Items]
Estimate of possible loss on remaining VAT audit assessment	0
Parana [Member] | Maximum [Member]
Other Contingent Liabilities and Other Matters [Line Items]
Estimate of possible loss on remaining VAT audit assessment	$ 3,000