XML 37 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Derivatives and hedging activities (Details 2) (USD $)
3 Months Ended 9 Months Ended
Nov. 01, 2013
Nov. 02, 2012
Nov. 01, 2013
Nov. 02, 2012
Nov. 01, 2013
Noncurrent Other liabilities
Feb. 01, 2013
Noncurrent Other liabilities
Derivatives designated as hedging instruments            
Derivative financial instruments         $ 4,475,000 $ 4,822,000
Pre-tax effect of derivative instruments on the condensed consolidated statements of comprehensive income            
Loss related to effective portion of derivatives recognized in OCI 957,000 1,441,000 15,475,000 9,983,000    
Loss related to effective portion of derivatives reclassified from Accumulated OCI to Interest expense 1,223,000 2,368,000 3,347,000 10,939,000    
Gain related to ineffective portion of derivatives recognized in Other (income) expense       (2,392,000)    
Credit-risk-related contingent features            
Fair value of interest rate swaps in a net liability position 4,500,000   4,500,000      
Collateral or assets required to settle interest rate swap obligations, estimated termination value $ 4,500,000   $ 4,500,000