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Note 15 - Sales to External Customers and Long-lived Assets by Geographic Area (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
North America [Member]      
Net sales to external customers [1] $ 297,554 $ 308,939 $ 302,216
Total, net [1] 61,211 56,400 62,152
Europe [Member]      
Net sales to external customers [2] 78,788 81,848 75,133
Total, net [2] 6,459 6,366 8,011
Other Geographic Region [Member]      
Net sales to external customers [3] 1,352 $ 1,567 $ 1,720
Total, net [3] 71
Net sales to external customers 377,694 $ 392,354 $ 379,069
Total, net $ 67,741 $ 62,766 $ 70,163
[1] North America includes the United States, Canada, Puerto Rico and franchise business in Mexico
[2] Europe includes the United Kingdom, Ireland, Denmark (in 2015) and franchise businesses in Europe
[3] Other includes franchise businesses outside of North America and Europe