Segment Information - Revenue and Long-Lived Assets by Geography (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012 segments	Dec. 31, 2011	Dec. 31, 2010
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Reportable Segments									4
Revenue	$ 2,013,831	$ 2,097,605	$ 2,038,289	$ 1,954,614	$ 1,890,962	$ 1,999,550	$ 1,819,594	$ 1,659,048	$ 8,104,339	$ 7,369,154	$ 6,109,507
Property, Plant and Equipment, Net	1,167,052				970,703				1,167,052	970,703
Maximum Revenue Percentage From Individual Customer									10.00%
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									4,343,946	3,923,118	3,355,649
Property, Plant and Equipment, Net	656,006				557,238				656,006	557,238
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									1,240,222	1,247,039	1,116,641
Property, Plant and Equipment, Net	216,535				175,896				216,535	175,896
Other Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									793,556	771,239	624,716
Property, Plant and Equipment, Net	51,096				51,788				51,096	51,788
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									1,488,251	1,162,103	836,875
Property, Plant and Equipment, Net	232,937				176,708				232,937	176,708
Other Geographical Area [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									238,364	265,655	175,626
Property, Plant and Equipment, Net	$ 10,478				$ 9,073				$ 10,478	$ 9,073