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Note 17 - Rent Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 28, 2014
Dec. 29, 2013
Space Leases [Member]      
Rent expense      
Operating Leases, Rent Expense $ 16,032
Related Party Leases [Member]      
Rent expense      
Operating Leases, Rent Expense 1,108
Other Operating Leases [Member]      
Rent expense      
Operating Leases, Rent Expense 4,619 $ 339 $ 390
Operating Leases, Rent Expense $ 21,759 $ 339 $ 390