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Stock-Based Compensation - Schedule of Pre-Tax Compensation Expense and Related Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
May. 30, 2015
May. 31, 2014
Jun. 01, 2013
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense $ 10.0 $ 11.0 $ 8.1
Tax benefit 3.6 4.0 2.9
Employee Stock Purchase Program      
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense 0.3 0.3 0.3
Stock Option Plans      
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense 2.6 2.3 3.6
Restricted Stock Grants      
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense 0.1 0.2 0.3
Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense 3.7 5.2 3.2
Performance Share Units      
Share-based Compensation Arrangement by Share-based Payment Award      
Allocated Share-based Compensation Expense $ 3.3 $ 3.0 $ 0.7