Share-Based Compensation Stock Options (Details) - Stock Options - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation, Options, Outstanding
Outstanding, beginning of period	17,325
Granted	2,225
Exercised	(6,736)
Forfeited and/or expired	(137)
Outstanding, end of period	12,677	17,325
Vested or expected to vest, end of period	12,563
Exercisable, end of period	7,827
Weighted average exercise price, outstanding at beginning of period	$ 9.56
Weighted average exercise price, granted	18.51
Weighted average exercise price, exercised	8.12
Weighted average exercise price, forfeited and/or expired	13.52
Weighted average exercise price, outstanding at end of period	11.86	$ 9.56
Weighted average exercise price, vested or expected to vest	11.82
Weighted average exercise price, exercisable	$ 9.47
Weighted average remaining contractual life in years, outstanding	7 years 25 days
Weighted average remaining contractual life in years, vested or expected to vest	7 years 17 days
Weighted average remaining contractual life in years, exercisable	5 years 11 months 24 days
Aggregate intrinsic value, outstanding	$ 54,203
Aggregate intrinsic value, vested or expected to vest	54,063
Aggregate intrinsic value, exercisable	48,185
Total intrinsic value, exercises in period	$ 62,744	$ 14,624	$ 12,594
Weighted average grant date fair value, granted	$ 4.12	$ 3.12	$ 2.12
Fair Value Assumptions and Methodology
Risk-free interest rate	2.77%	1.94%	1.28%
Expected option life in years	5 years 7 months 12 days	5 years 7 months 12 days	5 years 7 months 12 days
Expected volatility	24.27%	23.88%	28.25%
Expected dividend yield	1.84%	1.82%	2.38%