Quarterly report pursuant to sections 13 or 15(d)

Debt (Details)

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Debt (Details) (USD $)
In Millions, unless otherwise specified
0 Months Ended
Aug. 06, 2013
May 03, 2014
Credit Agreement
   
Line of credit facility    
Letters of credit issued and outstanding   $ 21.6
Borrowings available under credit facility   278.4
Senior revolving credit facility
   
Line of credit facility    
Credit facility   300.0
Total credit facility with expansion feature   450.0
Borrowings under the senior revolving credit facility   0
Term loan
   
Line of credit facility    
Amount borrowed 100.0  
Period of repayment of term loan 5 years  
Annual principal payment (as a percent) 10.00%  
Combined interest rate (as a percent) 3.02%  
Debt outstanding   $ 95.0
Term loan | Interest rate swap
   
Line of credit facility    
Fixed rate of interest (as a percent) 1.27%  
Term loan | LIBOR
   
Line of credit facility    
Base rate margin (as a percent) 1.75%