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Long-Term Debt - Schedule of Long-term Debt Instruments (Details) (USD $)
In Millions, unless otherwise specified
May 31, 2014
Jun. 01, 2013
Debt Instrument [Line Items]    
Long-term Debt, Current Maturities $ 50.0 $ 0
Long-term debt 250.0 250.0
Long-term Debt, Excluding Current Maturities 200.0 250.0
Series A Senior Notes
   
Debt Instrument [Line Items]    
Long-term Debt, Current Maturities 50.0 50.0
Series B Senior Notes
   
Debt Instrument [Line Items]    
Long-term debt 150.0 150.0
Debt Securities
   
Debt Instrument [Line Items]    
Long-term debt $ 50.0 $ 50.0