Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Feb. 26, 2012	Feb. 27, 2011
ASSETS
Cash and cash equivalents	$ 129,503	$ 112,195
Marketable securities (Note 2)	139,282	138,249
Accounts receivable, less allowance for doubtful accounts of $598 and $599, respectively	23,533	29,822
Inventories (Note 3)	15,823	12,888
Prepaid expenses and other current assets	3,449	3,805
Total current assets	311,590	296,959
Property, plant and equipment, net of accumulated depreciation and amortization (Note 4)	38,695	41,292
Goodwill and other intangible assets (Note 5)	7,661	6,568
Other assets ( Note 7)	8,042	8,989
Total assets	365,988	353,808
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	8,427	9,944
Accrued liabilities (Note 6)	8,816	9,497
Income taxes payable	4,198	5,812
Total current liabilities	21,441	25,253
Deferred income taxes (Note 7)	1,062	1,460
Other liabilities (Notes 7)	274	1,787
Total liabilities	22,777	28,500
Commitments and contingencies (Notes 14 and 15)
Stockholders' equity (Note 9):
Preferred stock, $1 par value per share-authorized, 500,000 shares; issued, none
Common stock, $.10 par value per share-authorized, 60,000,000 shares; issued, 20,795,591 and 20,722,179 shares, respectively	2,079	2,072
Additional paid-in capital	157,115	154,459
Retained earnings	181,941	166,795
Accumulated other comprehensive income	2,077	1,983
Stockholders' equity including treasury stock	343,212	325,309
Less treasury stock, at cost, 158 and 158 shares, respectively	(1)	(1)
Total stockholders' equity	343,211	325,308
Total liabilities and stockholders' equity	$ 365,988	$ 353,808