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Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations
 12 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations [Line Items]    
Target allocation 100.00%  
Percentage of plan assets at year end 100.00% 100.00%
Equity Securities [Member]
    
Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations [Line Items]    
Percentage of plan assets at year end 65.00% 68.00%
Equity Securities [Member] | Minimum [Member]
    
Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations [Line Items]    
Target allocation 55.00%  
Equity Securities [Member] | Maximum [Member]
    
Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations [Line Items]    
Target allocation 65.00%  
Debt Securities [Member]
    
Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations [Line Items]    
Percentage of plan assets at year end 32.00% 28.00%
Debt Securities [Member] | Minimum [Member]
    
Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations [Line Items]    
Target allocation 30.00%  
Debt Securities [Member] | Maximum [Member]
    
Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations [Line Items]    
Target allocation 40.00%  
Other Securities [Member]
    
Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations [Line Items]    
Percentage of plan assets at year end 3.00% 4.00%
Other Securities [Member] | Minimum [Member]
    
Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations [Line Items]    
Target allocation 0.00%  
Other Securities [Member] | Maximum [Member]
    
Note 16 - Employee Benefit Plans (Details) - Weighted Average Asset Allocations [Line Items]    
Target allocation 5.00%