Segment Reporting, Revenues from External Customers and Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Apr. 02, 2017	Dec. 25, 2016	Sep. 25, 2016	Jun. 26, 2016	Mar. 27, 2016	Dec. 31, 2017	Dec. 25, 2016	Dec. 27, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 1,596,111	$ 1,791,502	$ 972,506	$ 849,663	$ 1,629,940	$ 1,679,757	$ 878,945	$ 831,180	$ 5,209,782	$ 5,019,822	$ 4,447,509
Long-lived assets by geographical location	1,050,155				1,083,902				1,050,155	1,083,902	1,111,029
United States [Member] | Operating Segments [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									2,732,034	2,575,696	2,278,613
Long-lived assets by geographical location	894,597				933,848				894,597	933,848	932,790
International Markets [Member] | Operating Segments [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues									2,477,748	2,444,126	2,168,896
Long-lived assets by geographical location	$ 155,558				$ 150,054				$ 155,558	$ 150,054	$ 178,239