Stock-Based Compensation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Schedule of stock -based compensation expense in operations
Compensation expense	$ 6.6	[1]	$ 5.3	[1]	$ 17.3	[1]	$ 20.5	[1]

[1] All expense was recorded in our Corporate and other business segment.