Income Taxes - Income Tax Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Reconciliation [Line Items]
Statutory tax (benefit) expense	$ (41,932)	$ 38,813	$ 55,628
Valuation allowance	43,884	1,609	(35,650)
Foreign tax rate differential	(12,432)	(14,332)	(10,946)
Previously undistributed subsidiary earnings	59,460	10,648	10,724
Accrual Adjustments	5,755	494	(2,584)
Non-deductible goodwill	5,189	0	0
FCPA provision, nondeductible portion	5,412	2,939	1,563
Other	3,035	3,478	5,176
Income tax expense	56,715	28,225	8,028
Brazil
Income Tax Reconciliation [Line Items]
Brazil nontaxable incentive	(7,849)	(10,622)	(10,652)
Brazil tax goodwill amortization	$ (3,807)	$ (4,802)	$ (5,231)