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Property and Equipment - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Aug. 31, 2017
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Property, Plant and Equipment [Line Items]        
Depreciation   $ 11,600 $ 13,400 $ 16,300
Proceeds from sale of building   0 0 7,895
Property and equipment, net   39,230 34,883  
Accumulated depreciation and amortization   125,990 141,367  
Gain on sale of building   0 0 $ 4,624
Restructuring        
Property, Plant and Equipment [Line Items]        
Depreciation   $ 400 $ 600  
Shanghai, China | Building        
Property, Plant and Equipment [Line Items]        
Proceeds from sale of building $ 7,900      
Property and equipment, net 3,600      
Accumulated depreciation and amortization 1,400      
Direct selling costs 1,100      
Gain on sale of building $ 4,600