Stock-Based Compensation Expense - Summary of Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Jun. 28, 2020 USD ($) $ / shares shares
Shares (in thousands)
Outstanding, shares | shares	12,899
Granted, shares | shares	975
Exercised, shares | shares	(1,822)
Forfeited or expired, shares | shares	(421)
Outstanding, shares | shares	11,631
Exercisable as of reporting date, shares | shares	5,331
Options vested or expected to vest as of reporting date, shares | shares	10,683
Weighted- Average Exercise Price
Outstanding, shares | $ / shares	$ 37.95
Granted, in dollars per share | $ / shares	51.58
Exercised, in dollars per share | $ / shares	26.47
Forfeited or expired, in dollars per share | $ / shares	50.28
Outstanding, shares | $ / shares	40.45
Exercisable as of reporting date, Weighted-Average Exercise Price, in dollars per share | $ / shares	31.59
Weighted- Average Remaining Contractual Term (in years) | $ / shares	$ 39.58
Weighted- Average Remaining Contractual Term (in years)
Outstanding, in years	6 years 11 months 23 days
Exercisable, in years	5 years 9 months 21 days
Options vested or expected to vest, in years	6 years 10 months 6 days
Aggregate Intrinsic Value (in thousands)
Outstanding, in dollars | $	$ 212,847
Exercisable, in dollars | $	144,694
Options vested or expected to vest, in dollars | $	$ 204,795