Debt (Details) - USD ($) $ in Millions	Sep. 01, 2018	Jun. 02, 2018
Line of Credit Facility [Line Items]
Long-term debt	$ 281.9	$ 275.0
Lessee, Finance Lease, Discount Rate	2.90%
Finance Leased Assets, Gross	$ 7.0	7.0
Long-term Construction Loan, Noncurrent	6.9	7.0
Revolving Line of Credit, Domestic
Line of Credit Facility [Line Items]
Revolving line of credit, maximum borrowing capacity	400.0
Revolving line of credit, allowed increase in borrowing capacity	200.0
Long-term debt	225.0	225.0
Line of Credit Facility, Remaining Borrowing Capacity	165.2	166.8
Letters of Credit Outstanding, Amount	$ 9.8	$ 8.2