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Consolidated Statements of Earnings (Unaudited) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Nov. 29, 2015
Nov. 23, 2014
Nov. 29, 2015
Nov. 23, 2014
Income Statement [Abstract]        
Earnings (losses) from discontinued operations, tax expense (benefit) $ 0.2 $ (1.5) $ 3.2 $ 319.3