Basis of Presentation - Early Adoption of New Accounting Pronouncements (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016	Jun. 28, 2015
New Accounting Pronouncement, Early Adoption [Line Items]
Change in other assets and liabilities, net		$ (104,471)	$ (12,305)
Net cash flow from operating activities		229,244	325,357
Other, net		(19,378)	(17,928)
Net cash used for financing activities		(151,309)	(225,264)
Unrealized losses on available for sales investments recognized in comprehensive income	$ 2,300	4,300
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		24,531	29,949
Net cash flow from operating activities		24,531	29,949
Other, net		(24,531)	(29,949)
Net cash used for financing activities		(24,531)	(29,949)
Accounting Standards Update 2016-09 | Previously Reported
New Accounting Pronouncement, Early Adoption [Line Items]
Change in other assets and liabilities, net		(129,002)	(42,254)
Net cash flow from operating activities		204,713	295,408
Other, net		5,153	12,021
Net cash used for financing activities		$ (126,778)	$ (195,315)