Stock-Based Compensation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Schedule of stock -based compensation expense in operations
Compensation expense	$ 6.9	[1]	$ 7.5	[1]	$ 10.7	[1]	$ 15.2	[1]

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