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Repurchase of Common Stock - Schedule of Repurchase of Common Stock (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Repurchase Of Common Stock [Abstract]    
Amount repurchased under Board-approved share repurchase program $ 40,900 $ 75,000
Amount repurchased in connection with the vesting of employee restricted stock grants 6,082 2,648
Total amount repurchased $ 46,982 $ 77,648