Equity Compensation - Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Number of Options
Number of Options, Outstanding (in shares)	1,614,000
Number of Options, Granted (in shares)	353,000	456,000	315,000
Number of Options, Exercised (in shares)	(448,000)	(75,000)	(147,000)
Number of Options, Cancelled (in shares)	(314,000)
Number of Options, Outstanding (in shares)	1,205,000	1,614,000
Number of Options, Exercisable (in shares)	653,000
Weighted Average Exercise Price
Weighted Average Exercise Price, Outstanding (in dollars per share)	$ 54.27
Weighted Average Exercise Price, Granted (in dollars per share)	44.05
Weighted Average Exercise Price, Exercised (in dollars per share)	35.77
Weighted Average Exercise Price, Cancelled (in dollars per share)	63.72
Weighted Average Exercise Price, Outstanding (in dollars per share)	55.67	$ 54.27
Weighted Average Exercise Price, Exercisable (in dollars per share)	$ 58.48
Options, Additional Disclosures
Weighted Average Remaining Contractual Term, Outstanding	7 years 2 months 1 day
Weighted Average Remaining Contractual Term, Exercisable	5 years 10 months 24 days
Aggregate Intrinsic Value, Outstanding	$ 13,120
Aggregate Intrinsic Value, Exercisable	$ 5,704