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Revenue Recognition - Revenue Disaggregated by Geography (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 27, 2020
Sep. 29, 2019
Sep. 27, 2020
Sep. 29, 2019
Disaggregation of Revenue [Line Items]        
Revenue $ 251,073 $ 183,325 $ 587,405 $ 555,856
Americas        
Disaggregation of Revenue [Line Items]        
Revenue 86,482 64,983 215,696 207,161
Europe        
Disaggregation of Revenue [Line Items]        
Revenue 60,189 61,092 144,758 180,251
Greater China        
Disaggregation of Revenue [Line Items]        
Revenue 77,292 30,624 135,593 89,256
Other Asia        
Disaggregation of Revenue [Line Items]        
Revenue $ 27,110 $ 26,626 $ 91,358 $ 79,188