Note 17 - Fair Value of Financial Instruments and Non-Financial Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	6 Months Ended		22 Months Ended
	May 18, 2012	Dec. 29, 2013	Feb. 28, 2015 Scenario, Forecast [Member] Cash Flow Hedging [Member] Interest Rate Swap [Member]	Feb. 28, 2015 Scenario, Forecast [Member]	May 31, 2013 Cash Flow Hedging [Member] Interest Rate Swap [Member]	May 18, 2012 Cash Flow Hedging [Member] Interest Rate Swap [Member]
Note 17 - Fair Value of Financial Instruments and Non-Financial Assets and Liabilities (Details) [Line Items]
Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge	5 years
Foreign currency contracts, Notional Amount (in Pesos)			$ 50,000		$ 85,000	$ 50,000
Quarterly Decrease in Notional Amount of Interest Rate Cash Flow Hedge Derivatives				5,000
Derivative, Swaption Interest Rate	1.06%
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net		300
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net		$ 446