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Debt (Details)
CAD in Thousands, $ in Thousands
6 Months Ended
Aug. 29, 2015
USD ($)
Aug. 30, 2014
USD ($)
Aug. 29, 2015
CAD
Aug. 29, 2015
USD ($)
Feb. 28, 2015
USD ($)
Debt (Textual) [Abstract]          
Line of Credit Facility, Amount Outstanding       $ 0 $ 0
Debt to Ebitda Ratio 0.19        
Minimum net worth required       338,300  
Net Worth       401,600  
Interest payments $ 0 $ 300      
Maximum [Member]          
Debt (Textual) [Abstract]          
Debt to Ebitda Ratio 3.00        
Revolving Credit Facility [Member]          
Debt (Textual) [Abstract]          
Line of Credit Facility, Maximum Borrowing Capacity       125,000  
Credit Facility [Domain]          
Debt (Textual) [Abstract]          
Line of Credit Facility, Maximum Borrowing Capacity | CAD     CAD 4,000    
Debt       900  
Industrial Revenue Bonds [Member]          
Debt (Textual) [Abstract]          
Debt       20,400  
Notes Payable, Other Payables [Member]          
Debt (Textual) [Abstract]          
Debt       $ 200