Debt (Details Textual) In Thousands, unless otherwise specified	12 Months Ended												12 Months Ended
	Feb. 28, 2015 USD ($)	Mar. 01, 2014 USD ($)	Mar. 02, 2013 USD ($)	Feb. 28, 2015 Letter of Credit [Member] USD ($)	Feb. 28, 2015 Borrowings under revolving credit agreement USD ($)	Mar. 01, 2014 Borrowings under revolving credit agreement USD ($)	Feb. 28, 2015 Line of Credit [Member] USD ($)	Feb. 28, 2015 Line of Credit [Member] CAD	Feb. 28, 2015 Other, interest at 0.2% and 0.3% for fiscal 2015 and 2014, respectively USD ($)	Mar. 01, 2014 Other, interest at 0.2% and 0.3% for fiscal 2015 and 2014, respectively USD ($)	Feb. 28, 2015 Industrial Revenue Bonds [Member] USD ($)	Feb. 28, 2015 Other debt obligations USD ($)	Feb. 28, 2015 Maximum
Debt (Textual) [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	$ 125,000			$ 40,000	$ 125,000			4,000
Line of Credit Facility Maximum Capacity under Previous Facility				50,000	100,000
Debt to Ebitda Ratio	0.22												3.00
Revolving credit facility expiration date	Dec. 17, 2019
Line of Credit Facility, Amount Outstanding					0	0	0
Amount of available commitment	101,500	76,500
Minimum net worth required	318,800
Net Worth	382,500
Debt	20,631	20,708			0	0			20,631	20,708	20,400	200
Current portion long-term debt	44	49
Interest payments	$ 800	$ 700	$ 1,000