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Bank Credit Facility (Details) - 2011 Credit Agreement [Member] - USD ($)
$ in Millions
3 Months Ended
Apr. 29, 2017
May 28, 2015
Line of Credit Facility [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity   $ 700.0
Debt Instrument, Term 5 years  
Line of Credit Facility, Swing Loan Sublimit $ 30.0  
Line of Credit Facility, Letter of Credit Sublimit 150.0  
Line of Credit Facility, Amount Outstanding 115.7  
Line of Credit Facility, Letters of Credit Outstanding 5.6  
Line of Credit Facility, Remaining Borrowing Capacity $ 578.7