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Debt (Details)
CAD in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Aug. 27, 2016
USD ($)
Aug. 30, 2014
USD ($)
Aug. 27, 2016
CAD
Aug. 27, 2016
USD ($)
Feb. 28, 2015
USD ($)
Debt (Textual) [Abstract]          
Line of Credit Facility, Amount Outstanding       $ 0 $ 0
Interest payments $ 300 $ 300      
Revolving Credit Facility [Member]          
Debt (Textual) [Abstract]          
Maximum borrowing capacity     CAD 4,000 125,000  
Industrial Revenue Bonds [Member]          
Debt (Textual) [Abstract]          
Debt       $ 20,400