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Employee Retirement Plans - Expected Return on Plan Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share-Based Payment Arrangement [Abstract]        
Interest cost $ 29 $ 278 $ 360 $ 556
Expected return on assets 0 (290) (252) (580)
Net periodic benefit expense (income) $ 29 $ (12) $ 108 $ (24)