Segment Information - Revenue and Long-Lived Assets by Geography (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) segments	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Document Fiscal Year Focus									2016
Number of Reportable Segments | segments									4
Revenue	$ 1,777,961	$ 1,707,763	$ 1,686,345	$ 1,622,273	$ 1,694,600	$ 1,787,582	$ 1,758,628	$ 1,715,501	$ 6,794,342	$ 6,956,311	$ 7,752,728
Property, Plant and Equipment, Net	945,670				854,269				945,670	854,269
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									3,910,733	4,270,061	4,617,813
Property, Plant and Equipment, Net	640,802				622,892				640,802	622,892
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									1,261,232	1,059,413	1,251,625
Property, Plant and Equipment, Net	211,238				150,950				211,238	150,950
Other Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									594,838	637,533	794,966
Property, Plant and Equipment, Net	28,288				32,137				28,288	32,137
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									675,995	626,761	686,511
Property, Plant and Equipment, Net	56,614				38,826				56,614	38,826
Other Geographical Area [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									351,544	362,543	$ 401,813
Property, Plant and Equipment, Net	$ 8,728				$ 9,464				$ 8,728	$ 9,464