Segment Information (Schedule of Net Revenue by Geographic Areas) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 29, 2019 |
Sep. 30, 2018 |
Sep. 29, 2019 |
Sep. 30, 2018 |
|
Segment Reporting Information [Line Items] | ||||
Total net revenue | $ 265,858 | $ 269,411 | $ 745,792 | $ 769,888 |
United States (U.S.) | ||||
Segment Reporting Information [Line Items] | ||||
Total net revenue | 174,805 | 173,580 | 473,381 | 501,153 |
Americas (excluding U.S.) | ||||
Segment Reporting Information [Line Items] | ||||
Total net revenue | 3,874 | 2,352 | 10,497 | 9,205 |
EMEA | ||||
Segment Reporting Information [Line Items] | ||||
Total net revenue | 49,554 | 53,158 | 149,608 | 148,801 |
APAC | ||||
Segment Reporting Information [Line Items] | ||||
Total net revenue | $ 37,625 | $ 40,321 | $ 112,306 | $ 110,729 |