Income Taxes (Tables)

9 Months Ended

Sep. 30, 2012

Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
Statutory rate	35.0	%	35.0	%	35.0	%	35.0	%
Foreign provision	(3.8)		0.7		(5.3)		(3.7)
Change in U.K. tax rate	(7.6)		(1.9)		(0.9)		(0.8)
Other	0.5		(0.4)		(0.4)		(0.6)
Effective rate	24.1	%	33.4	%	28.4	%	29.9	%