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Fair Value Measurements - Fair Value Hierarchy (Details) - USD ($)
$ in Millions
Dec. 03, 2016
May 28, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities $ 7.8 $ 7.5
Interest rate swap agreement 6.4  
US Treasury and Government    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 0.0 0.4
Fixed Income Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 7.0 6.4
Mutual funds - equity    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available-for-sale marketable securities 0.8 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 8.9 7.9
Total 24.1 15.9
Contingent consideration 0.0 0.0
Total 1.1 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 forward contracts 1.0 0.5
Foreign currency forward contracts 1.1 0.8
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Interest Rate Swap [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate swap agreement 6.4 0.0
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 0.0 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 7.0 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 0.8 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 0.0 0.0
Total 0.0 0.0
Contingent consideration 1.7 2.7
Total 1.7 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 forward contracts 0.0 0.0
Foreign currency forward contracts 0.0 0.0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Interest Rate Swap [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Interest rate swap agreement 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