DEBT - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument
Unamortized debt issuance costs and discounts	$ (7.5)	$ (8.1)
Total debt	1,023.8	1,067.3
Less: current borrowings	136.6	153.8
Long-term debt	$ 887.2	$ 913.5
Private Placement Notes \| 5.75% 2020 Private Placement Notes due 2025
Debt Instrument
Interest rate, stated percentage (in percent)	5.75%	5.75%
Long-term debt, gross	$ 216.2	$ 221.0
Private Placement Notes \| 4.00% 2012 Private Placement Notes due 2027
Debt Instrument
Interest rate, stated percentage (in percent)	4.00%	4.00%
Long-term debt, gross	$ 81.1	$ 82.9
Private Placement Notes \| 4.00% 2012 Private Placement Notes due 2032
Debt Instrument
Interest rate, stated percentage (in percent)	4.00%	4.00%
Long-term debt, gross	$ 108.1	$ 110.5
Private Placement Notes \| 3.75% 2013 Private Placement Notes due 2033
Debt Instrument
Interest rate, stated percentage (in percent)	3.75%	3.75%
Long-term debt, gross	$ 108.1	$ 110.5
Senior Notes \| 6.50% Senior notes due 2026
Debt Instrument
Interest rate, stated percentage (in percent)	6.50%	6.50%
Long-term debt, gross	$ 202.9	$ 202.9
Bank borrowings and other
Debt Instrument
Long-term debt, gross	$ 314.9	$ 347.6

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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