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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Aug. 29, 2015
Aug. 30, 2014
Income Tax Disclosure [Abstract]    
Effective Income Tax Rate, Continuing Operations 33.60% 33.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00%  
Liability for Uncertain Tax Positions, Current $ 1.8 $ 1.3
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued $ 1.1 $ 0.5