Share-Based Awards, Purchase Plans and Compensation Cost (Options Outstanding and Exercisable By Price) (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Dec. 25, 2015	Dec. 26, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	13,290	16,605	15,495	14,925
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 21.99	$ 18.42	$ 16.05	$ 14.91
Options, exercisable (in shares)	7,729	11,016	10,749	9,954
Weighted average exercise price of exercisable options (dollars per share)	$ 18.33	$ 15.13	$ 12.83	$ 11.62
Granted (in shares)	1,725	3,483	1,629
Granted (dollars per share)	$ 30.71	$ 25.53	$ 24.73
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	(4,903)	(2,286)	(984)
Exercised (dollars per share)	$ 12.86	$ 13.00	$ 12.43
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	(137)	(87)	(75)
Canceled (dollars per share)	$ 26.63	$ 23.36	$ 24.00
$5 - $15
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Lower range exercise price	5
Upper range exercise price	$ 15
Options Outstanding	2,200
Weighted Average Remaining Contractual Term in Years	2 years 2 months
Weighted Average Exercise Price	$ 10.52
Options Exercisable	2,200
Weighted Average Exercise Price	$ 10.52
$15 - $20
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Lower range exercise price	15
Upper range exercise price	$ 20
Options Outstanding	2,795
Weighted Average Remaining Contractual Term in Years	4 years 7 months
Weighted Average Exercise Price	$ 18.14
Options Exercisable	2,795
Weighted Average Exercise Price	$ 18.14
$20 - $25
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Lower range exercise price	20
Upper range exercise price	$ 25
Options Outstanding	4,676
Weighted Average Remaining Contractual Term in Years	7 years 4 months
Weighted Average Exercise Price	$ 24.43
Options Exercisable	2,222
Weighted Average Exercise Price	$ 24.62
$25 - $30
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Lower range exercise price	25
Upper range exercise price	$ 30
Options Outstanding	1,912
Weighted Average Remaining Contractual Term in Years	8 years 2 months
Weighted Average Exercise Price	$ 27.07
Options Exercisable	507
Weighted Average Exercise Price	$ 25.51
$30 - $38
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Lower range exercise price	30
Upper range exercise price	$ 38
Options Outstanding	1,707
Weighted Average Remaining Contractual Term in Years	9 years 2 months
Weighted Average Exercise Price	$ 30.71
Options Exercisable	5
Weighted Average Exercise Price	$ 31.44
$5 - $38
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Lower range exercise price	5
Upper range exercise price	$ 38
Options Outstanding	13,290
Weighted Average Remaining Contractual Term in Years	6 years 3 months
Weighted Average Exercise Price	$ 21.99
Options Exercisable	7,729
Weighted Average Exercise Price	$ 18.33