Revenue - Revenue by Geographic Region (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 28, 2018 |
Sep. 29, 2017 |
Sep. 28, 2018 |
Sep. 29, 2017 |
|
| Disaggregation of Revenue [Line Items] | ||||
| Total revenue | $ 308,095 | $ 269,625 | $ 949,744 | $ 819,005 |
| Middle East | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Total revenue | 223,636 | 217,312 | 662,734 | 660,020 |
| United States | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Total revenue | 54,379 | 36,499 | 203,015 | 112,833 |
| Europe | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Total revenue | $ 30,080 | $ 15,814 | $ 83,995 | $ 46,152 |