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Income Taxes - Schedule of Unrecognized Ta Benefits, Interest, Penalties and Related Liability (Details) - USD ($)
$ in Millions
12 Months Ended
May. 30, 2015
May. 31, 2014
Jun. 01, 2013
Income Tax Disclosure [Abstract]      
Interest and penalty expense $ 0.4 $ (0.2) $ 0.0
Liability for interest and penalties $ 0.9 $ 0.6