Segment Reporting, International Segment Net Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Oct. 01, 2017	Sep. 30, 2018	Oct. 01, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 1,569,686	$ 1,791,502	$ 3,190,485	$ 3,613,671
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	560,704	739,229	1,229,093	1,511,074
Europe [Member] | International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	331,353	467,740	686,490	921,467
Latin America [Member] | International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	145,703	174,446	308,065	339,071
Asia Pacific [Member] | International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 83,648	$ 97,043	$ 234,538	$ 250,536