SEGMENT INFORMATION - Geographic information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Segment Reporting Information [Line Items] | |||
| Revenue | $ 4,431.2 | $ 4,285.6 | $ 3,879.4 |
| United States and Canada | |||
| Segment Reporting Information [Line Items] | |||
| Revenue | 2,017.4 | 1,942.3 | 1,692.0 |
| Europe | |||
| Segment Reporting Information [Line Items] | |||
| Revenue | 763.9 | 740.8 | 704.9 |
| Asia | |||
| Segment Reporting Information [Line Items] | |||
| Revenue | 1,285.6 | 1,264.9 | 1,159.7 |
| Latin America | |||
| Segment Reporting Information [Line Items] | |||
| Revenue | 213.0 | 195.9 | 174.4 |
| Middle East [Member] | |||
| Segment Reporting Information [Line Items] | |||
| Revenue | 151.3 | 141.7 | 148.4 |
| U.S. Plans | |||
| Segment Reporting Information [Line Items] | |||
| Revenue | 1,892.4 | 1,831.1 | 1,594.2 |
| CHINA | |||
| Segment Reporting Information [Line Items] | |||
| Revenue | $ 669.2 | $ 644.5 | $ 630.2 |