Stock-Based Compensation - Reconciliation of Outstanding Stock Options (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 28, 2019 USD ($) $ / shares shares
Shares Under Option
Outstanding (in shares) | shares	669,356
Granted (in shares) | shares	76,742
Exercised (in shares) | shares	(134,982)
Forfeited (in shares) | shares	(10,651)
Outstanding (in shares) | shares	600,465
Exercisable (in shares) | shares	413,109
Weighted Average Price
Outstanding (in dollars per share) | $ / shares	$ 116.29
Granted (in dollars per share) | $ / shares	199.24
Exercised (in dollars per share) | $ / shares	97.22
Forfeited (in dollars per share) | $ / shares	108.23
Outstanding (in dollars per share) | $ / shares	131.32
Exercisable (in dollars per share) | $ / shares	$ 111.65
Weighted Average Remaining Contract Life and Aggregate Intrinsic Value
Outstanding (Years)	4 years 7 months 6 days
Outstanding | $	$ 37,048
Exercisable (Years)	4 years
Exercisable | $	$ 33,215