Note 5 - Long-Term Debt (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended					3 Months Ended									3 Months Ended								0 Months Ended	1 Months Ended	3 Months Ended				3 Months Ended
	Jun. 01, 2014	Jun. 02, 2013	Mar. 02, 2014		Mar. 03, 2013	Jun. 01, 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]	Jun. 01, 2014 Through February 28, 2015 [Member]	Jun. 01, 2014 March 1, 2015 Through February 27, 2016 [Member]	Jun. 01, 2014 February 28, 2016 Through February 25, 2017 [Member]	Jun. 01, 2014 All Periods Thereafter [Member]	Jun. 01, 2014 Through November 27, 2016 [Member] Minimum [Member]	Jun. 01, 2014 Through November 27, 2016 [Member] Maximum [Member]	Jun. 01, 2014 Special Dividend [Member] Minimum [Member]	Jun. 01, 2014 Special Dividend [Member] Maximum [Member]	Jun. 01, 2014 Installment 1 [Member]	Jun. 01, 2014 Installment 2 [Member]	Jun. 01, 2014 London Interbank Offered Rate (LIBOR) [Member] PNC Bank, National Association [Member]	Mar. 02, 2014 Federal Funds Rate [Member] PNC Bank, National Association [Member]	Mar. 02, 2014 Daily LIBOR Plus [Member] PNC Bank, National Association [Member]	Jun. 01, 2014 Nelco Products Pte. Ltd. [Member]	Feb. 12, 2014 PNC Bank, National Association [Member]	Jan. 30, 2013 PNC Bank, National Association [Member]	Jun. 01, 2014 PNC Bank, National Association [Member]	Mar. 02, 2014 PNC Bank, National Association [Member]	Mar. 03, 2013 PNC Bank, National Association [Member]	Jun. 01, 2014 Minimum [Member]	Jun. 01, 2014 Maximum [Member]
Note 5 - 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
Long-term Line of Credit (in Dollars)	104,000					1,100																			52,000
Number Of Stand by Letter Of Credit Issued						2
Long-term Debt (in Dollars)	104,000
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months (in Dollars)	10,000
Number of Quarterly Installments																	4	8
Debt Instrument, Periodic Payment, Principal (in Dollars)																	2,500	3,750
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)	135,096	189,083	133,150	[1]	186,117																							25,000
Quick Ratio												3.25	8.50	8.00
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	1.29%
Interest Expense (in Dollars)	$ 353	$ 167

[1] The balance sheet at March 2, 2014 has been derived from the audited financial statements at that date.