Segment and Geographic Information - Geographic Sales & PP&E (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 28, 2015		Mar. 29, 2014		Dec. 31, 2014
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	$ 5,002,385		$ 5,082,040
Property, plant, and equipment, net	642,632				636,299
Americas [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	2,462,189	[1]	2,397,432	[1]
Property, plant, and equipment, net	542,660	[2]			537,967	[2]
EMEA [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	1,504,924		1,653,912
Property, plant, and equipment, net	78,296				76,487
Asia Pacific [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	1,035,272		1,030,696
Property, plant, and equipment, net	21,676				21,845
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	2,250,422		2,174,665
Property, plant, and equipment, net	$ 540,789				$ 535,397

[1] Includes sales related to the United States of $2,250,422 and $2,174,665 for the first quarters of 2015 and 2014, respectively.

[2] Includes net property, plant, and equipment related to the United States of $540,789 and $535,397 at March 28, 2015 and December 31, 2014, respectively.