Income Taxes (Schedule of Income Tax Rate Reconciliation) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Statutory rate	35.00%	35.00%	35.00%	35.00%
Foreign provision	(7.20%)	(12.30%)	(7.80%)	(11.80%)
Tax return to accrual adjustment		(4.00%)		(2.30%)
Change in U.K. tax rate		(5.60%)		(3.30%)
Other	0.50%	0.40%	(0.70%)	0.10%
Effective tax rate	28.30%	13.50%	26.50%	17.70%