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Debt (Details) - USD ($)
Sep. 02, 2017
Jun. 03, 2017
Sep. 13, 2016
Line of Credit Facility [Line Items]      
Long-term debt $ 203,900,000 $ 199,900,000  
Letters of Credit Outstanding, Amount 8,200,000 8,300,000  
Short-term Debt 4,000,000.0 3,200,000  
Finance Leased Assets, Gross   7,000,000.0  
Revolving Line of Credit, Domestic      
Line of Credit Facility [Line Items]      
Long-term debt 4,000,000.0 0  
Revolving line of credit, maximum borrowing capacity     $ 400,000,000
Revolving line of credit, allowed increase in borrowing capacity     $ 200,000,000
Line of Credit [Member]      
Line of Credit Facility [Line Items]      
Line of Credit Facility, Fair Value of Amount Outstanding   0  
Line of Credit Facility, Remaining Borrowing Capacity $ 387,800,000 $ 391,700,000