Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Nov. 25, 2012		Nov. 27, 2011
Cash flows from operating activities:
Net earnings	$ 12,889		$ 20,291
Depreciation and amortization	3,204		4,293
Amortization of bond premium	1,140		1,049
Stock-based compensation	643		572
Impairment of fixed assets (Note 7)	3,620
Non-cash restructuring charges (Note 7)	(1,465)
Change in operating assets and liabilities	(6,773)		(3,447)
Net cash provided by operating activities	13,258		22,758
Cash flows from investing activities:
Purchases of property, plant and equipment	(1,190)		(3,448)
Purchases of marketable securities	(118,627)		(118,486)
Proceeds from sales and maturities of marketable securities	136,200		131,258
Business acquisition			(1,100)
Net cash provided by investing activities	16,383		8,224
Cash flows from financing activities:
Dividends paid	(6,239)		(6,220)
Proceeds from exercise of stock options	159		751
Tax benefits from exercise of stock options	0		52
Purchase of treasury stock	(93)
Net cash used in financing activities	(6,173)		(5,417)
Change in cash and cash equivalents before exchange rate changes	23,468		25,565
Effect of exchange rate changes on cash and cash equivalents	(28)		(111)
Change in cash and cash equivalents	23,440		25,454
Cash and cash equivalents, beginning of period	129,503	[1]	112,195
Cash and cash equivalents, end of period	152,943		137,649
Supplemental cash flow information:
Cash paid during the period for income taxes	$ 5,998		$ 6,929

[1] The balance sheet at February 26, 2012 has been derived from the audited financial statements at that date.