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Employee Retirement and Profit Sharing Plans (Narrative) (Details)
12 Months Ended
Mar. 28, 2020
USD ($)
item
Mar. 30, 2019
USD ($)
Mar. 31, 2018
USD ($)
Defined Benefit Plan Disclosure [Line Items]      
Minimum term criteria for availing defined benefit plans 1 year    
Minimum age criteria for availing defined benefit plans | item 21    
Charges to expense for the Company's matching contributions $ 1,700,000 $ 1,400,000 $ 1,000,000.0
Total liability, Deferred Compensation Plan 2,200,000 $ 2,000,000.0  
Expected contributions for fiscal 2021 $ 0    
Fixed Income Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Company's general target allocation for the plan 40.00%    
Equity Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Company's general target allocation for the plan 60.00%