Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 03, 2013	Feb. 26, 2012
ASSETS
Cash and cash equivalents	$ 186,117	$ 129,503
Marketable securities (Note 2)	89,099	139,282
Accounts receivable, less allowance for doubtful accounts of $423 and $598, respectively	25,878	23,533
Inventories (Note 3)	12,918	15,823
Prepaid expenses and other current assets	6,662	3,449
Total current assets	320,674	311,590
Property, plant and equipment, net of accumulated depreciation and amortization (Note 3)	32,187	38,695
Goodwill and other intangible assets (Note 3)	9,854	7,661
Other assets (Note 4)	6,943	8,042
Total assets	369,658	365,988
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	6,485	8,427
Accrued liabilities (Note 3)	6,016	8,816
Income taxes payable	4,177	4,198
Total current liabilities	16,678	21,441
Long-term debt (Note 11)	52,000
Deferred income taxes (Note 4)	812	1,062
Other liabilities (Note 4)	246	274
Total liabilities	69,736	22,777
Commitments and contingencies (Notes 12 and 13)
Stockholders' equity (Note 6):
Preferred stock, $1 par value per shares-authorized, 500,000 shares; issued, none
Common stock, $0.10 par value per shares-authorized, 60,000,000 shares; issued, 20,831,578 and 20,795,591 shares, respectively	2,083	2,079
Additional paid-in capital	158,790	157,115
Retained earnings	138,514	181,941
Accumulated other comprehensive income	629	2,077
Stockholders equity including treasury stock	300,016	343,212
Less treasury stock, at cost, 4,066 and 158 shares, respectively	(94)	(1)
Total shareholders' equity	299,922	343,211
Total liabilities and shareholders' equity	$ 369,658	$ 365,988