DEBT - Schedule of long-term debt (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Jan. 29, 2021
Debt Instrument
Unamortized debt issuance costs and discounts	$ (11.3)	$ (22.3)
Total debt	1,474.7	2,004.9
Less: current borrowings	274.0	277.6
Long-term debt	$ 1,200.7	$ 1,727.3
Private Placement Notes \| 3.40% 2012 Private placement notes due 2022
Debt Instrument
Interest rate, stated percentage (in percent)	3.40%	3.40%
Long-term debt, gross	$ 0.0	$ 169.9
Private Placement Notes \| 3.15% 2013 Private placement notes due 2023
Debt Instrument
Interest rate, stated percentage (in percent)	3.15%	3.15%
Long-term debt, gross	$ 265.0	$ 288.8
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	$ 207.9	$ 226.5
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	$ 77.9	$ 84.9
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	$ 103.9	$ 113.3
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	$ 103.9	$ 113.3
Senior Notes \| 6.50% Senior notes due 2026
Debt Instrument
Interest rate, stated percentage (in percent)	6.50%	6.50%	6.50%
Long-term debt, gross	$ 202.9	$ 633.1
Bank borrowings and other
Debt Instrument
Long-term debt, gross	354.5	397.4
Revolving credit facility
Debt Instrument
Long-term debt, gross	$ 170.0	$ 0.0

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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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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