XML 72 R52.htm IDEA: XBRL DOCUMENT v3.3.1.900
Debt Borrowing availability (Details) - ABL Facility [Member] - Line of Credit - USD ($)
Jan. 29, 2016
Jan. 30, 2015
Apr. 04, 2014
Line of Credit Facility      
Line of Credit Facility, Maximum Borrowing Capacity $ 175,000,000   $ 175,000,000
Outstanding letters of credit 24,311,000 $ 15,541,000  
Available borrowing under line of credit facility $ 150,689,000 $ 159,459,000