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Derivative Financial Instruments (Details 2) (USD $)
9 Months Ended
Nov. 02, 2013
Feb. 02, 2013
Oct. 27, 2012
Forward contracts designated as hedging instruments      
Foreign exchange currency cash flow hedge unrealized gain (loss) to be recognized in other income/expense or cost of product sales over the following 12 months $ (400,000)    
Cash flow hedges | Canada
     
Forward contracts designated as hedging instruments      
U.S. dollar forward contracts purchased, total notional amount 16,200,000    
U.S. dollar forward contracts designated as cash flow hedges outstanding 12,700,000 40,300,000  
U.S. dollar forward contracts outstanding, maximum remaining maturity period (in months) 14 months    
Cash flow hedges | Europe
     
Forward contracts designated as hedging instruments      
U.S. dollar forward contracts purchased, total notional amount 103,500,000    
U.S. dollar forward contracts designated as cash flow hedges outstanding 102,900,000 106,900,000  
U.S. dollar forward contracts outstanding, maximum remaining maturity period (in months) 14 months    
Net investment hedges | Europe
     
Forward contracts designated as hedging instruments      
U.S. dollar forward contracts purchased, total notional amount 17,900,000    
U.S. dollar forward contracts designated as net investment hedges outstanding $ 0 $ 0 $ 0