Stock-Based Compensation (Details 1) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 29.3	[1]	$ 15.2	[1]	$ 13.7	[1]
Payout ratio for shares paid	100.00%
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 17.1		$ 5.7		$ 1.7
Weighted-average fair value of grants, per share	$ 78.00		$ 48.64		$ 31.78
Payout ratio for shares paid	86.90%		52.50%		0.00%

[1] Stock-Based Compensation expense was recorded in our Corporate and other business segment.