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Note 13 - Financial Instruments - Swaps Outstanding (Details) - Cross Currency Interest Rate Contract [Member] - USD ($)
$ in Thousands
6 Months Ended
Jun. 02, 2018
Oct. 20, 2017
Feb. 24, 2017
Oct. 07, 2015
Derivative, Notional Amount $ 533,624 $ 401,200 $ 42,600 $ 134,736
Fair Value $ (15,825)      
Currency Swap 1 [Member]        
Fiscal Year of Expiration 2018      
Interest rate minimum 3.45%      
Derivative, Notional Amount $ 44,912      
Fair Value $ (2,035)      
Interest rate maximum 4.5374%      
Currency Swap 2 [Member]        
Fiscal Year of Expiration 2019      
Interest rate minimum 3.80%      
Derivative, Notional Amount $ 44,912      
Fair Value $ (3,015)      
Interest rate maximum 5.053%      
Currency Swap 3 [Member]        
Fiscal Year of Expiration 2020      
Interest rate minimum 1.95%      
Derivative, Notional Amount $ 42,600      
Fair Value $ (5,157)      
Interest rate maximum 4.3038%      
Currency Swap 4 [Member]        
Fiscal Year of Expiration 2018      
Interest rate minimum 2.75%      
Derivative, Notional Amount $ 133,340      
Fair Value $ (1,538)      
Interest rate maximum 4.933%      
Currency Swap 5 [Member]        
Fiscal Year of Expiration 2019      
Interest rate minimum 3.00%      
Derivative, Notional Amount $ 267,860      
Fair Value $ (4,080)      
Interest rate maximum 5.1803%