BUSINESS SEGMENTS - Other business segment information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Capital Expenditures	$ 225.2	$ 157.9	$ 191.7
Depreciation and Amortization	377.8	377.2	385.4
Research and Development Expense	69.0	67.0	78.4
Operating segments | Subsea
Segment Reporting Information [Line Items]
Capital Expenditures	193.0	120.2	149.4
Depreciation and Amortization	310.5	304.3	317.2
Research and Development Expense	65.0	62.2	73.2
Operating segments | Surface Technologies
Segment Reporting Information [Line Items]
Capital Expenditures	29.8	31.9	36.8
Depreciation and Amortization	65.2	70.0	64.8
Research and Development Expense	4.0	4.8	5.2
Corporate
Segment Reporting Information [Line Items]
Capital Expenditures	2.4	5.8	5.5
Depreciation and Amortization	2.1	2.9	3.4
Research and Development Expense	$ 0.0	$ 0.0	$ 0.0