RESTRUCTURING, IMPAIRMENT AND OTHER EXPENSES - Restructuring, settlement and impairment provisions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring and Impairment [Line Items]
Total restructuring, impairment and other expenses	$ 20.0	$ 15.2	$ 66.7
Subsea
Restructuring and Impairment [Line Items]
Total restructuring, impairment and other expenses	4.9	1.1	53.5
Surface Technologies
Restructuring and Impairment [Line Items]
Total restructuring, impairment and other expenses	9.8	10.4	7.6
Corporate and other
Restructuring and Impairment [Line Items]
Total restructuring, impairment and other expenses	$ 5.3	$ 3.7	$ 5.6