Basis of Presentation - Early Adoption of New Accounting Pronouncements (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Sep. 27, 2015
New Accounting Pronouncement, Early Adoption [Line Items]
Change in other assets and liabilities, net		$ (88,153)	$ 8,946
Net cash flow from operating activities		454,763	509,606
Other, net		(19,505)	(41,138)
Net cash used for financing activities		(203,325)	(474,373)
Unrealized losses on available for sales investments recognized in comprehensive income	$ 3,700	8,000
Accounting Standards Update 2016-09 | New Accounting Pronouncement, Early Adoption, Effect
New Accounting Pronouncement, Early Adoption [Line Items]
Change in other assets and liabilities, net		25,078	30,373
Net cash flow from operating activities		25,078	30,373
Other, net		(25,078)	(30,373)
Net cash used for financing activities		(25,078)	(30,373)
Accounting Standards Update 2016-09 | Previously Reported
New Accounting Pronouncement, Early Adoption [Line Items]
Change in other assets and liabilities, net		(113,231)	(21,427)
Net cash flow from operating activities		429,685	479,233
Other, net		5,573	(10,765)
Net cash used for financing activities		$ (178,247)	$ (444,000)