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Significant Accounting and Reporting Policies (Details)
£ in Millions, $ in Millions
 12 Months Ended
May. 30, 2015
USD ($)
May. 31, 2014
USD ($)
Jun. 01, 2013
USD ($)
May. 30, 2015
GBP (£)
Accounting Policies [Abstract]        
Number of Weeks in Fiscal Year 364 days 364 days 364 days  
Foreign Currency Transaction Gain (Loss), before Tax $ 2.1 $ 1.2 $ 1.3  
Cash Equivalents, at Carrying Value 9.1 5.6    
Long-term Purchase Commitment, Amount 13.1      
Indefinite-lived intangibles 85.2 40.9 62.3  
Impairment charges 10.8 21.4    
Assets Held-for-sale, Long Lived, Fair Value Disclosure 4.2      
Impairment of Long-Lived Assets Held-for-use   4.0    
Liability for Unpaid Claims and Claims Adjustment Expense, Net 9.5 9.2    
Research and Development Expense 56.7 53.9 48.3  
Royalty Expense 14.7 12.0 11.6  
Cooperative Advertising Program Expense 1.0 $ 2.0 $ 2.0  
Derivative Liability, Notional Amount $ 34.7      
Derivative Asset, Notional Amount | £       £ 18.0