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DEBT - Real Estate Related (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument
Carrying values of the related collateralized real estate	$ 983.1	$ 893.6
Other Debt | Real estate related
Debt Instrument
Borrowings outstanding	627.7
Other Debt | U.S. Notes
Debt Instrument
Borrowings outstanding	537.5
Other Debt | U.K. Notes
Debt Instrument
Borrowings outstanding	$ 90.3

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

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The carrying amount, as of the date of the latest financial statement presented, of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

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