Share-Based Compensation Stock Options (Details) - Stock Options [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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 [Roll Forward]
Outstanding, beginning of period	16,697
Granted	2,826
Exercised	(1,924)
Forfeited and/or expired	(274)
Outstanding, end of period	17,325	16,697
Vested or expected to vest, end of period	17,190
Exercisable, end of period	10,943
Weighted average exercise price, outstanding at beginning of period	$ 8.31
Weighted average exercise price, granted	15.36
Weighted average exercise price, exercised	7.16
Weighted average exercise price, forfeited and/or expired	10.12
Weighted average exercise price, outstanding at end of period	9.56	$ 8.31
Weighted average exercise price, vested or expected to vest	9.54
Weighted average exercise price, exercisable	$ 7.95
Weighted average remaining contractual life in years, outstanding	7 years 1 month 6 days
Weighted average remaining contractual life in years, vested or expected to vest	7 years 1 month 6 days
Weighted average remaining contractual life in years, exercisable	6 years
Aggregate intrinsic value, outstanding	$ 118,817
Aggregate intrinsic value, vested or expected to vest	118,264
Aggregate intrinsic value, exercisable	92,644
Total intrinsic value, exercises in period	$ 14,624	$ 12,594	$ 30,116
Weighted average grant date fair value, granted	$ 3.12	$ 2.12	$ 2.27
Fair Value Assumptions and Methodology [Abstract]
Risk-free interest rate	1.94%	1.28%	1.76%
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	23.88%	28.25%	29.25%
Expected dividend yield	1.82%	2.38%	2.23%