Income Taxes (Tables)

9 Months Ended

Sep. 30, 2013

Income Taxes [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2013		2012		2013		2012
Statutory rate	35.0	%	35.0	%	35.0	%	35.0	%
Foreign provision	(12.3)		(6.3)		(11.8)		(30.8)
Tax return to accrual adjustment	(4.0)		(2.8)		(2.3)		(1.1)
Change in U.K. tax rate	(5.6)		(12.8)		(3.3)		(5.2)
Other	0.4		(2.9)		0.1		(2.5)
Effective rate	13.5	%	10.2	%	17.7	%	(4.6)	%