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Employee Retirement and Profit Sharing Plans (Narrative) (Details)
$ in Millions
12 Months Ended
Mar. 31, 2018
USD ($)
item
Mar. 25, 2017
USD ($)
Mar. 26, 2016
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 $ 1.0 $ 0.8 $ 0.7
Total liability, Deferred Compensation Plan $ 2.1 $ 2.1  
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%