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Retirement Plans - Schedule of Expense Related to Defined Benefit Plan (Details) - Pension Plan - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 25, 2020
Dec. 27, 2019
Dec. 25, 2020
Dec. 27, 2019
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 296 $ 242 $ 843 $ 717
Interest cost 166 169 474 503
Expected return on plan assets (79) (83) (231) (247)
Amortization of net transition asset 0 (4) 0 (10)
Amortization of prior service cost 2 2 6 6
Actuarial loss 47 24 126 72
Net periodic pension expense $ 432 $ 350 $ 1,218 $ 1,041