Shareholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Mar. 03, 2013	Mar. 03, 2013	Oct. 18, 2012	Oct. 17, 2012	Feb. 26, 2012
Shareholders' Equity [Abstract]
Preferred stock, par value	$ 1				$ 1
Shares per unit	0.10%
Purchase price per right	150
Expiration of stockholders rights	Jul. 20, 2015
Redemption price per right	$ 0.01
Percentage ownership constituting triggering event		20.00%
Number of shares authorized to be repurchased			1,000,000
Percentage of outstanding shares authorized to be repurchased				5.00%
Shares outstanding				20,802,020
Stock repurchased and retired during period, shares	3,905
Stock repurchased and retired during period, value	$ 93
Remaining number of shares authorized to be repurchased	996,095
Shares of common stock reserved for issuance upon exercise of stock options	1,599,596