Revenue (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 28, 2018 |
Sep. 29, 2017 |
Sep. 28, 2018 |
Sep. 29, 2017 |
|
| Total Revenue | $ 5,900 | $ 9,000 | $ 103,800 | $ 106,700 |
| Fabrication Technology | ||||
| Revenue, Point in time | 524,023 | 479,947 | 1,617,893 | 1,432,605 |
| Revenue, Over time | 2,252 | 260 | 4,452 | |
| Total Revenue | 524,023 | 482,199 | 1,618,153 | 1,437,057 |
| Air and Gas Handling | ||||
| Revenue, Point in time | 100,019 | 155,530 | 415,180 | 492,213 |
| Revenue, Over time | 251,331 | 206,780 | 648,253 | 496,831 |
| Total Revenue | $ 351,350 | $ 362,310 | $ 1,063,433 | $ 989,044 |