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Fair Value Measurements - Fair Value Hierarchy (Details) - USD ($)
$ in Millions
Sep. 03, 2016
May 28, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities $ 7.7 $ 7.5
US Treasury and Government    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 0.4 0.4
Fixed Income Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 6.6 6.4
Mutual funds - equity    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 0.7 0.7
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Deferred Compensation Plan Fair Value Disclosure 8.8 7.9
Assets, Fair Value Disclosure 16.9 15.9
Business Combination, Contingent Consideration, Liability 0.0 0.0
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0.5 0.8
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Foreign Exchange Forward    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Foreign Currency Contract, Asset, Fair Value Disclosure 0.4 0.5
Foreign Currency Contracts, Liability, Fair Value Disclosure 0.5 0.8
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | US Treasury and Government    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 0.4 0.4
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Fixed Income Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 6.6 6.4
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Mutual funds - equity    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 0.7 0.7
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Deferred Compensation Plan Fair Value Disclosure 0.0 0.0
Assets, Fair Value Disclosure 0.0 0.0
Business Combination, Contingent Consideration, Liability 2.7 2.7
Financial and Nonfinancial Liabilities, Fair Value Disclosure 2.7 2.7
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Foreign Exchange Forward    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Foreign Currency Contract, Asset, Fair Value Disclosure 0.0 0.0
Foreign Currency Contracts, Liability, Fair Value Disclosure 0.0 0.0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | US Treasury and Government    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 0.0 0.0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Fixed Income Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 0.0 0.0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Mutual funds - equity    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities $ 0.0 $ 0.0