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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Schedule of Long-term Debt Carrying Value and Fair Value (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Carrying Value
Debt Instrument
Debt, fair value	$ 843.0	$ 849.2
Fair Value
Debt Instrument
Debt, fair value	$ 734.2	724.4
4.00% Senior Notes | Senior Notes
Debt Instrument
Interest rate (as a percentage)	4.00%
4.00% Senior Notes | Carrying Value | Senior Notes
Debt Instrument
Debt, fair value	$ 750.0	750.0
4.00% Senior Notes | Fair Value | Senior Notes
Debt Instrument
Debt, fair value	651.5	633.9
Real estate related | Carrying Value
Debt Instrument
Debt, fair value	93.0	99.2
Real estate related | Fair Value
Debt Instrument
Debt, fair value	$ 82.7	$ 90.5

X

- Definition

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

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