v3.26.1
Background and Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Accounting Policies [Abstract]      
Interest and Other Income $ (25,000) $ (23,485) $ (22,047)
Fair market value adjustments to derivatives (5,129) 0 (972)
Net realized losses (gains) on derivatives (1,098) 649 58
Conversion Gains and Losses on Foreign Investments 278 (122) 436
Other Nonoperating Income (3,506) (874) (959)
Other Nonoperating Income (Expense) (34,455) (23,832) $ (23,484)
Schedule Of Organization And Summary Of Significant Accounting Policies [Line Items]      
Receivables (less allowance for credit losses of $4,654 and $7,684, respectively) 390,536 333,221  
IncomeTaxReceivable      
Schedule Of Organization And Summary Of Significant Accounting Policies [Line Items]      
Receivables (less allowance for credit losses of $4,654 and $7,684, respectively) 27,390 10,728  
InsuranceRecoverable      
Schedule Of Organization And Summary Of Significant Accounting Policies [Line Items]      
Receivables (less allowance for credit losses of $4,654 and $7,684, respectively) $ 3,871 $ 8,340