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Income Taxes (Allocation Of Total Income Tax Expense) (Details) - USD ($)
$ in Millions
12 Months Ended
May 28, 2017
May 29, 2016
May 31, 2015
Income Tax Disclosure [Abstract]      
Earnings from continuing operations $ 154.8 $ 90.0 $ (21.1)
Earnings from discontinued operations (4.2) 3.4 344.8
Total consolidated income tax expense $ 150.6 $ 93.4 $ 323.7