IMPAIRMENT, RESTRUCTURING AND OTHER EXPENSES - Restructuring and other expenses (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring and other expenses	$ 7.2	$ 1.2	$ 7.1	$ 7.9
Subsea
Restructuring Cost and Reserve [Line Items]
Restructuring and other expenses	2.6	0.4	(0.8)	4.4
Surface Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring and other expenses	4.4	0.8	4.9	3.5
Corporate and other
Restructuring Cost and Reserve [Line Items]
Restructuring and other expenses	$ 0.2	$ 0.0	$ 3.0	$ 0.0