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Fair Value Measurements Fair Value Measurements - Contingent Consideration (Details) - USD ($)
$ in Millions
3 Months Ended
Sep. 01, 2018
Sep. 02, 2017
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 0.5 $ 0.5
Purchases or additions 0.1 0.0
Ending balance $ 0.4 $ 0.5