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Note 7 - Segment Information (Detail) - Sales to External Customers and Long-lived Assets by Geographic Area (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Dec. 31, 2011
Net sales to external customers $ 85,971 $ 97,410 $ 262,754 $ 275,243  
Property and equipment, net 73,754 78,965 73,754 78,965 77,445
North America [Member]
          
Net sales to external customers 68,545 [1] 79,016 [1] 214,157 [1] 225,696 [1]  
Property and equipment, net 62,644 [1] 67,527 [1] 62,644 [1] 67,527 [1]  
Europe [Member]
          
Net sales to external customers 16,951 [2] 17,863 [2] 47,236 [2] 48,086 [2]  
Property and equipment, net 11,110 [2] 11,438 [2] 11,110 [2] 11,438 [2]  
Other Geographic Region [Member]
          
Net sales to external customers 475 [3] 531 [3] 1,361 [3] 1,461 [3]  
Property and equipment, net    [3]    [3]    [3]    [3]  
[1] North America includes the United States, Canada, Puerto Rico and franchise business in Mexico
[2] Europe includes the United Kingdom, Ireland and franchise businesses in Europe
[3] Other includes franchise businesses outside of North America and Europe