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Restructuring and Impairment Activities(Details) - USD ($)
$ in Millions
12 Months Ended
May 28, 2016
May 30, 2015
May 31, 2014
Restructuring and Related Activities [Abstract]      
Impairment charges $ 0.0 $ 10.8 $ 21.4
Restructuring expenses $ 1.9 1.1  
Impairment of Long-Lived Assets Held-for-use   $ 4.0 $ 4.0