Employee Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Compensation and Retirement Disclosure [Abstract]
Contributions to defined contribution plans	$ 13.2	[1]	$ 14.3	[1]	$ 13.6	[1]

[1] Contributions of $2.0 million, $2.7 million and $3.3 million are included in Loss for discontinued operations for the years ended December 31, 2012, 2011 and 2010 respectively.