Segment Information (Schedule of Net Revenue by Geographic Areas) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020	Dec. 31, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Total net revenue	$ 367,073	$ 378,114	$ 280,052	$ 229,963	$ 252,971	$ 265,858	$ 230,852	$ 249,082	$ 1,255,202	$ 998,763	$ 1,058,816
United States (U.S.)
Segment Reporting Information [Line Items]
Total net revenue									866,161	637,566	686,145
Americas (excluding U.S.)
Segment Reporting Information [Line Items]
Total net revenue									31,810	15,440	14,548
EMEA
Segment Reporting Information [Line Items]
Total net revenue									221,665	200,099	207,599
APAC
Segment Reporting Information [Line Items]
Total net revenue									$ 135,566	$ 145,658	$ 150,524