Long-Lived Assets by Major Geographic Region (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Current Fiscal Year End Date	--12-28
Long-lived assets	$ 477,219	$ 404,220
United States and Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	280,360	262,382
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	14,219	12,575
Europe and Middle East
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	175,745	128,584
Latin America
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	6,895	679
Total International
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 196,859	$ 141,838