Revenue - Revenue Performance Obligations (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 29, 2019 |
Dec. 31, 2018 |
|
| Revenue from Contract with Customer [Abstract] | ||
| Performance obligations timing | Our contracts are multi-year contracts and typically include an initial period of one year or less with annual one-year (or less) option periods | |
| Increase in remaining performance obligations | $ 619.7 | |
| Performance Obligations | $ 1,478.0 | $ 858.0 |