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Note 4 - Property and Equipment, Net - Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Property, plant and equipment, gross $ 247,257 $ 251,427  
Less accumulated depreciation 172,333 183,686  
Total, net 74,924 67,741 $ 62,766
Ireland [Member]      
Property, plant and equipment, gross 2,261 2,261  
Furniture and Fixtures [Member]      
Property, plant and equipment, gross 41,578 40,322  
Computer Equipment [Member]      
Property, plant and equipment, gross 26,960 26,277  
Building [Member]      
Property, plant and equipment, gross 14,970 14,970  
Leasehold Improvements [Member]      
Property, plant and equipment, gross 113,573 113,981  
Software and Software Development Costs [Member]      
Property, plant and equipment, gross 41,763 46,745  
Construction in Progress [Member]      
Property, plant and equipment, gross $ 6,152 $ 6,871