Debt Opco Revolving Credit Facility (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended 0 Months Ended 12 Months Ended
Feb. 02, 2013
Mar. 10, 2010
Term C Loan [Member]
Feb. 02, 2013
Line of Credit [Member]
Jan. 28, 2012
Line of Credit [Member]
Debt Instrument [Line Items]        
Line of Credit Facility, Maximum Borrowing Capacity     $ 200.0  
Line of Credit Facility, Remaining Borrowing Capacity     195.8  
Revolving Credit Facility Swingline Advance Maximum     30.0  
Letter of Credit Availability     45.0  
Percent Per Annum Above Federal Funds Rate     0.50%  
Percent Above Eurodollar Rate     1.00%  
Minimum Margin for Eurodollar Rate-based Advances     1.50%  
Maximum Margin for Eurodollar Rate-based Advances     2.00%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage     0.375%  
Percent of Borrowing Base Restriction     12.50%  
Revolving Credit Facility, Number of Days in Excess Availability Restriction 5 days      
Fixed Charge Ratio, Numerator     1.0  
Fixed Charge Ratio, Demonimator     1.0  
Percent of Borrowing Base in Fixed Charge Coverage Ratio Restriction     10.00%  
Number of Days in Fixed Charge Coverage Ratio Restriction 15 days      
Gains (Losses) on Extinguishment of Debt   7.2   0.3
Payments of Debt Extinguishment Costs   $ 3.0