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Term Loan and Line of Credit (Financing Transactions) (Details) - USD ($)
12 Months Ended
May 13, 2013
Oct. 26, 2012
Jul. 27, 2012
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
May 16, 2012
Debt Instrument [Line Items]              
Dividends           $ 99,451,000  
Repayment of Term Loan Facility       $ 0 $ 0 19,500,000  
Term Loan Facility [Member]              
Debt Instrument [Line Items]              
Borrowing under term loan facility             $ 100,000,000
Repayment of Term Loan Facility $ 15,000,000 $ 300,000 $ 65,300,000     19,500,000  
Interest expense     $ 700,000        
Write off of deferred debt issuance cost           $ 200,000