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Employee Benefit Plans (Fair Value of the Defined Benefit Pension Plan Assets by Major Categories and by Levels within the Fair Value Hierarchy) General (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets $ 201,459 $ 170,640 $ 162,599
Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 185,158 149,683  
Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 16,301 20,957  
Cash and cash equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 21,202 14,375  
Cash and cash equivalents | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 21,202 14,375  
Cash and cash equivalents | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 0 0  
Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 60,867 54,534  
Equity securities | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 60,867 54,534  
Equity securities | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 0 0  
Debt securities      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 50,178 42,153  
Debt securities | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 50,178 42,153  
Debt securities | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 0 0  
Real estate funds      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 51,739 42,427  
Real estate funds | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 44,906 32,286  
Real estate funds | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 6,833 10,141  
Hedge funds      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 8,994 10,400  
Hedge funds | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 0 0  
Hedge funds | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 8,994 10,400  
Other      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 8,479 6,751  
Other | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets 8,005 6,335  
Other | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Total fair value of plan assets $ 474 $ 416