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Income Taxes - Summary of Activity Related to Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]    
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ 2,000  
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Balance, Beginning Period 14,419 $ 12,474
Increases to current year tax positions 6,367 3,089
Increase to prior year tax positions 601 116
Decrease to prior year tax positions (233) (755)
Lapse of statute of limitations 0 0
Lapse of statute of limitations 865 505
Balance, Ending Period $ 20,289 $ 14,419