Note 11 - Long-Term Debt (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended				3 Months Ended					3 Months Ended				0 Months Ended	1 Months Ended	3 Months Ended							3 Months Ended
	Mar. 02, 2014	Mar. 03, 2013	Feb. 26, 2012	Feb. 27, 2011	Mar. 02, 2014 Special Dividend [Member] Minimum [Member]	Mar. 02, 2014 Special Dividend [Member] Maximum [Member]	Mar. 02, 2014 Letter of Credit [Member] PNC Bank, National Association [Member]	Feb. 12, 2014 Letter of Credit [Member] PNC Bank, National Association [Member]	Jan. 30, 2013 Letter of Credit [Member] PNC Bank, National Association [Member]	Mar. 02, 2014 Nelco Products Pte. Ltd. [Member]	Mar. 02, 2014 PNC Bank, National Association [Member] London Interbank Offered Rate (LIBOR) [Member]	Mar. 02, 2014 PNC Bank, National Association [Member] Federal Funds Rate [Member]	Mar. 02, 2014 PNC Bank, National Association [Member] Daily LIBOR Plus [Member]	Feb. 12, 2014 PNC Bank, National Association [Member]	Jan. 30, 2013 PNC Bank, National Association [Member]	Mar. 02, 2014 PNC Bank, National Association [Member]	Mar. 03, 2013 PNC Bank, National Association [Member]	Mar. 02, 2014 Next 12 Months [Member]	Mar. 02, 2014 Year Two [Member]	Mar. 02, 2014 Year Three [Member]	Mar. 02, 2014 Year Four and Thereafter [Member]	Mar. 02, 2014 Minimum [Member]	Mar. 02, 2014 Maximum [Member]
Note 11 - Long-Term Debt (Details) [Line Items]
Line of Credit Facility, Expiration Period														4 years	5 years
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)								$ 2,000	$ 2,000					$ 104,000	$ 52,000
Proceeds from Lines of Credit (in Dollars)																52,000	52,000
Line of Credit Facility, Amount Outstanding (in Dollars)	104,000						1,120									52,000
Number Of Stand by Letter Of Credit Issued							2
Debt Instrument, Basis Spread on Variable Rate											1.10%	0.50%	1.00%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage																0.20%
Minimum Interest Coverage Ratio	1.10
Maximum Funded Debt Ratio																		3.75	3.50	3.00	2.25
Cash and Cash Equivalents, at Carrying Value (in Dollars)	133,150	186,117	129,503	112,195																		25,000
Quick Ratio																		10.50	10.00	8.50	3.25
Dividend Covenant Maximum Quarterly Dividend (in Dollars per share)					$ 1.00	$ 2.50																	$ 0.10
Pledge Of Stock Percentage As Guarantee For Credit Agreement										65.00%
Line of Credit Facility, Interest Rate at Period End	1.30%
Interest Expense (in Dollars)	$ 764	$ 14