Information by Segment and Geographic Area (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from Unaffiliated Customers	$ 1,723,092	$ 2,066,288	$ 2,895,970
Property, plant and equipment, net	564,035	663,244	710,465
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from Unaffiliated Customers	758,820	880,884	1,021,770
Property, plant and equipment, net	142,506	151,397	146,939
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from Unaffiliated Customers	217,011	257,885	353,915
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	97,305	102,842	86,822
Brazil
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	57,381	69,515	63,161
All Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from Unaffiliated Customers	747,261	927,519	1,520,285
Property, plant and equipment, net	$ 266,843	$ 339,490	$ 413,543