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Retirement Plans - Schedule of Changes in Benefit Obligations and Plan Assets (Details) - Pension Plan - USD ($)
$ in Thousands
 12 Months Ended
Mar. 26, 2021
Mar. 27, 2020
Obligation and funded status of plan:    
Benefit obligation at beginning of year $ 12,595 $ 10,840
Service cost 1,454 961
Interest cost 628 674
Benefits paid (633) (938)
Actuarial loss 2,502 690
Foreign currency exchange rate changes 634 368
Benefit obligation at end of year 17,180 12,595
Change in plan assets:    
Fair value of plan assets at beginning of year 5,579 5,171
Actual return on plan assets 1,421 434
Employer contributions 981 932
Benefits paid (595) (1,130)
Foreign currency exchange rate changes 258 172
Fair value of plan assets at end of year 7,644 5,579
Underfunded status at end of year $ (9,536) $ (7,016)