IMPAIRMENT, RESTRUCTURING AND OTHER EXPENSES - Restructuring, settlement and impairment provisions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Restructuring Cost and Reserve [Line Items]
Total impairment, restructuring and other expenses	$ 6.9	$ 7.3	$ 15.1	$ 34.8
Subsea
Restructuring Cost and Reserve [Line Items]
Total impairment, restructuring and other expenses	3.3	6.9	2.5	27.6
Surface Technologies
Restructuring Cost and Reserve [Line Items]
Total impairment, restructuring and other expenses	3.6	0.0	9.6	3.8
Corporate and other
Restructuring Cost and Reserve [Line Items]
Total impairment, restructuring and other expenses	$ 0.0	$ 0.4	$ 3.0	$ 3.4