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Acquisition of J-Devices Narrative (Details) - USD ($)
$ in Thousands
9 Months Ended
Dec. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Jan. 30, 2015
Business Acquisition [Line Items]          
Payments to acquire investment   $ 0 $ 12,908    
Unrecognized Tax Benefits   $ 24,700   $ 23,300  
J-Devices [Member]          
Business Acquisition [Line Items]          
Payments to acquire investment $ 105,400        
Ownership interest in acquiree (percent) 100.00%        
J-Devices [Member]          
Business Acquisition [Line Items]          
Ownership Interest (percent)         65.70%
Adjustment [Member]          
Business Acquisition [Line Items]          
Unrecognized Tax Benefits $ 11,600