BUSINESS SEGMENTS - Geographic segment information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 6,700.4	$ 6,403.5	$ 6,530.6
Property, plant and equipment, net	2,354.9	2,597.2
United States
Segment Reporting Information [Line Items]
Revenues	1,348.4	1,137.2	1,320.1
Property, plant and equipment, net	357.2	383.4
Brazil
Segment Reporting Information [Line Items]
Revenues	1,047.3	767.8	600.6
Property, plant and equipment, net	306.4	265.5
Norway
Segment Reporting Information [Line Items]
Revenues	907.6	979.9	1,216.6
Property, plant and equipment, net	225.3	271.9
United Kingdom
Segment Reporting Information [Line Items]
Revenues	710.3	542.5	489.0
Property, plant and equipment, net	741.6	882.9
Guyana
Segment Reporting Information [Line Items]
Revenues	369.1	314.7	330.1
Australia
Segment Reporting Information [Line Items]
Revenues	295.4	419.8	122.5
Mozambique
Segment Reporting Information [Line Items]
Revenues	284.4	472.0	320.4
Angola
Segment Reporting Information [Line Items]
Revenues	247.9	406.3	482.8
Malaysia
Segment Reporting Information [Line Items]
Revenues	228.5	206.9	190.0
Ghana
Segment Reporting Information [Line Items]
Revenues	184.7	73.4	34.0
Singapore
Segment Reporting Information [Line Items]
Revenues	126.5	216.3	219.9
India
Segment Reporting Information [Line Items]
Revenues	121.4	109.8	26.8
United Arab Emirates
Segment Reporting Information [Line Items]
Revenues	117.8	49.4	39.2
Israel
Segment Reporting Information [Line Items]
Revenues	117.3	26.8	179.3
Indonesia
Segment Reporting Information [Line Items]
Revenues	42.6	224.9	280.0
Trinidad
Segment Reporting Information [Line Items]
Revenues	6.7	78.1	106.3
All other countries
Segment Reporting Information [Line Items]
Revenues	544.5	377.7	$ 573.0
Property, plant and equipment, net	337.4	378.8
Netherlands
Segment Reporting Information [Line Items]
Property, plant and equipment, net	$ 387.0	$ 414.7