Share-Based Payments Stock Options (Details) (Options and Sosars [Member], USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Gross [Member]	Mar. 30, 2013 Gross [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Tax Benefit from Stock Options Exercised			$ 2.0	$ 1.6
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at the beginning of the period (in shares)	3.5
Granted (in shares)	0.2
Exercised (in shares)	(0.6)
Forfeited (in shares)	(0.1)
Outstanding at the end of the period (in shares)	3.0	3.5
Exercisable (in shares)	2.6
Weighted-average exercise price of shares outstanding, beginning of the period (in dollars per share)	$ 43.41
Weighted-average exercise price of shares granted (in dollars per share)	$ 58.24
Weighted-average exercise price of shares exercised (in dollars per share)	$ 42.19
Weighted-average exercise price of shares forfeited (in dollars per share)	$ 44.24
Weighted-average exercise price of shares outstanding, end of the period (in dollars per share)	$ 44.46	$ 43.41
Weighted-average exercise price of shares exercisable (in dollars per share)	$ 43.66
Weighted-average remaining contractual life, outstanding (in years)	4 years 8 months 24 days	4 years 6 months 25 days
Weighted-average remaining contractual life, exercisable (in years)	4 years 11 days
Aggregate intrinsic value of shares outstanding (in dollars)	45.1
Aggregate intrinsic value of shares outstanding (in dollars)	43.2	45.1
Aggregate intrinsic value of shares exercisable (in dollars)	$ 39.3