Stock Compensation Plans and Stock Based Compensation (Details 3) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 30, 2017 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding beginning balance | shares	7,117
Granted | shares	820
Exercised | shares	(1,957)
Canceled and forfeited | shares	(197)
Options outstanding ending balance | shares	5,783
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted-Average Exercise Price, Options outstanding beginning balance | $ / shares	$ 13.61
Weighted-Average Exercise Price Granted | $ / shares	30.72
Weighted-Average Exercise Price Exercised | $ / shares	11.37
Weighted-Average Exercise Price Canceled and Forfeited | $ / shares	20.52
Weighted-Average Exercise Price, Options outstanding ending balance | $ / shares	$ 16.56
Summary of company stock option plans
Options vested as of December 30, 2017 | shares	4,104
Weighted Average Exercise Price, Options vested as of December 30, 2017 | $ / shares	$ 13.72
Weighted-Average Remaining Contractual Term, Options outstanding as of December 30, 2017	3 years 9 months 10 days
Weighted-Average Remaining Contractual Term, Options vested as of December 30, 2017	3 years 1 month 27 days
Aggregate Intrinsic Value, Options outstanding as of December 30, 2017 | $	$ 110,114
Aggregate Intrinsic Value, Options vested as of December 30, 2017 | $	$ 89,790