Share Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Description and Terms	0	0	0
Number of shares available for future equity awards (in shares)	12,700,000
Share-based compensation	$ 28,921	$ 29,202	$ 23,554
Vesting Term, Minimum	1 year
Vesting Term, Maximum	3 years
Payments Related to Tax Withholding for Share-based Compensation	$ 1,367	$ 816	$ 843
Key assumptions in fair value determination
Stock option expiration date (in years)	ten
Stock options, additional disclosures
Weighted average fair value, Granted (in dollars per share)	$ 15.02
Weighted average remaining contractual term, Outstanding, end of period (in years)	7 years	6 years 10 months 24 days
Weighted average remaining contractual term, Exercisable, end of period (in years)	5 years 9 months 18 days
Aggregate intrinsic value, Outstanding, beginning of period	$ 50,145
Aggregate intrinsic value, Outstanding, end of period	46,472	$ 50,145
Aggregate intrinsic value, Exercisable at end of period	$ 25,747
Other information relative to restricted unit activity
Performance Term	1 year
Vesting Term	3 years
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award
Total unrecognized compensation	$ 12,300
Remaining weighted average expense recognition period (in years)	1 year 7 months 6 days
Key assumptions in fair value determination
Expected price volatility, minimum (in hundredths)	26.40%	25.10%	25.50%
Expected price volatility, maximum (in hundredths)	27.00%	26.00%	27.90%
Risk-free interest rate, minimum (in hundredths)	2.50%	1.70%	0.90%
Risk-free interest rate, maximum (in hundredths)	3.00%	1.90%	1.30%
Forfeiture rate, minimum (in hundredths)	7.30%	7.20%	7.10%
Forfeiture rate, maximum (in hundredths)	7.30%	7.20%	7.10%
Dividend yield, minimum (in hundredths)	1.60%	1.30%	0.90%
Dividend yield, maximum (in hundredths)	1.60%	1.30%	0.90%
Stock option expiration date (in years)	10	10	10
Stock option activity
Outstanding, beginning of period (in shares)	4,998,526
Granted (in shares)	693,634
Exercised (in shares)	(1,380,136)
Canceled (in shares)	(258,638)
Outstanding, end of period (in shares)	4,053,386	4,998,526
Exercisable, end of period (in shares)	2,173,274
Stock options, additional disclosures
Weighted average exercise price, Outstanding, beginning of period (in dollars per share)	$ 68.46
Weighted average exercise price, Granted (in dollars per share)	67.81
Weighted average exercise price, Exercised (in dollars per share)	54.55
Weighted average exercise price, Cancelled (in dollars per share)	77.83
Weighted average exercise price, Outstanding, end of period (in dollars per share)	72.49	$ 68.46
Weighted average exercise price, Exercisable, end of period (in dollars per share)	$ 72.32
Other information relative to option activity
Total fair value of stock options vested	$ 18,247	$ 15,996	$ 15,184
Total intrinsic value of stock options exercised	$ 43,476	$ 9,237	$ 39,696
Employee Stock Option | Minimum
Key assumptions in fair value determination
Weighted average expected lives (in years)	4 years 6 months	4 years 5 months	4 years 5 months
Employee Stock Option | Maximum
Key assumptions in fair value determination
Weighted average expected lives (in years)	4 years 6 months	4 years 5 months	4 years 5 months
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award
Share-based compensation	$ 1,100	$ 1,000	$ 1,100
Discount rate of employee stock purchase plan (in hundredths)	15.00%
Shares of common stock issued for employee stock purchase plan (in shares)	77,458	83,155	69,562
Shares of common stock reserved for future issuance under the ESPP (in shares)	11,900,000
Employee Stock Purchase Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Shares of common stock reserved for future issuance under the ESPP (in shares)	16,000,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Total unrecognized compensation	$ 13,500
Remaining weighted average expense recognition period (in years)	2 years
Shares issued as a result of vested restricted stock units (in shares)	53,714	39,314	48,267
Payments Related to Tax Withholding for Share-based Compensation	$ 1,367	$ 816	$ 843
Restricted stock units
Restricted, beginning of period (in shares)	223,230
Granted (in shares)	309,978
Exercised (in shares)	(70,845)
Forfeited (in shares)	(24,293)
Restricted, end of period (in shares)	438,070	223,230
Restricted stock units, additional disclosures
Weighted average grant date fair value, Restricted, beginning of period (in dollars per share)	$ 67.92
Weighted average grant date fair value, Granted (in dollars per share)	64.00
Weighted average grant date fair value, Exercised (in dollars per share)	75.16
Weighted average grant date fair value, Forfeited (in dollars per share)	65.84
Weighted average grant date fair value, Restricted, end of period (in dollars per share)	$ 64.09	$ 67.92
Other information relative to restricted unit activity
Total grant date fair value of restricted units vested and exercised	$ 5,325	$ 3,301	3,072
Total intrinsic value of restricted units vested and exercised	$ 5,364	$ 3,465	$ 5,104
Shares Paid for Tax Withholding for Share Based Compensation	17,131	11,755	10,236
Performance-Based Restricted Share Units
Share-based Compensation Arrangement by Share-based Payment Award
Total unrecognized compensation	$ 1,300
Remaining weighted average expense recognition period (in years)	2 years 2 months 12 days
Shares issued as a result of vested restricted stock units (in shares)	0	0	0
Restricted stock units
Restricted, beginning of period (in shares)	0
Granted (in shares)	41,310
Exercised (in shares)	0
Forfeited (in shares)	0
Restricted, end of period (in shares)	41,310	0
Restricted stock units, additional disclosures
Weighted average grant date fair value, Restricted, beginning of period (in dollars per share)	$ 0.00
Weighted average grant date fair value, Granted (in dollars per share)	63.90
Weighted average grant date fair value, Exercised (in dollars per share)	0.00
Weighted average grant date fair value, Forfeited (in dollars per share)	0.00
Weighted average grant date fair value, Restricted, end of period (in dollars per share)	$ 63.90	$ 0.00
Other information relative to restricted unit activity
Shares Paid for Tax Withholding for Share Based Compensation	0	0	0
2018 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Maximum number of common stock granted	12,562,318