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Share-Based Compensation - Textual (Details) - Restricted Stock Units (RSUs) [Member] - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 27, 2020
Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Total unrecognized compensation cost related to restricted stock units granted $ 27,558 $ 22,230
Unrecognized compensation cost related to restricted stock units, weighted average period 2 years 1 month 6 days 1 year 10 months 24 days