Capital Stock (Activity In Stock Option Plans) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jan. 03, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted-average remaining contractual life of exercisable options, in years	5 years 3 months 14 days
Weighted-average remaining contractual life of options that are vested and expected to vest, in years	6 years 7 months 20 days
Employee Stock Option [Member]
Stock Option Plans [Roll Forward]
Outstanding options, beginning of year	7,728,655
Granted options	773,347
Cancelled options	(433,808)
Exercised options	(1,913,866)
Outstanding options, end of year	6,154,328
Exercisable options, end of year	2,869,781	[1]
Vested and expected to vest options, end of year	5,215,892	[2]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding weighted-average exercise price, beginning of year	21.85
Granted weighted-average exercise price	38.02
Canceled weighted-average exercise price	22.29
Exercised weighted-average exercise price	18.42
Outstanding weighted-average exercise price, end of year	19.95
Exercisable weighted-average exercise price, end of year	17.31	[1]
Vested and expected to vest weighted average exercise price, end of year	19.38	[2]
Outstanding aggregate intrinsic value, beginning of year	82.3
Outstanding aggregate intrinsic value, end of year	93.4
Exercisable aggregate intrinsic value, end of year	51.1	[1]
Vested and expected to vest aggregate intrinsic value, end of year	82.2	[2]

[1] The remaining weighted-average contractual life of these options is 5.3 years

[2] The remaining weighted-average contractual life of these options is 6.6 years