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FAIR VALUE MEASUREMENTS - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
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4.625% Senior notes due 2027 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt stated interest rate (as a percent) | 4.625% |
4.375% Senior notes due 2031 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt stated interest rate (as a percent) | 4.375% |
3.875% Senior notes due 2029 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt stated interest rate (as a percent) | 3.875% |
Carrying Value | Fair Value, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | $ 2.0 | $ 0.0
Total debt securities | 47.9 | 0.0
Derivative assets | 11.0 | 12.3
Derivative liabilities | 11.0 | 12.3
Carrying Value | Fair Value, Recurring | Non-recourse notes payable | Non-recourse |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 1,831.5 | 1,705.6
Carrying Value | Fair Value, Recurring | Real estate mortgages and other debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 723.4 | 603.5
Carrying Value | Fair Value, Recurring | 4.625% Senior notes due 2027 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 400.0 | 400.0
Carrying Value | Fair Value, Recurring | 4.375% Senior notes due 2031 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 550.0 | 550.0
Carrying Value | Fair Value, Recurring | 3.875% Senior notes due 2029 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 800.0 | 800.0
Carrying Value | Fair Value, Recurring | U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 19.8 | 0.0
Carrying Value | Fair Value, Recurring | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 28.1 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 2.0 | 0.0
Total debt securities | 19.8 | 0.0
Derivative assets | 0.0 | 0.0
Derivative liabilities | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 1 | Non-recourse notes payable | Non-recourse |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 1 | Real estate mortgages and other debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 1 | 4.625% Senior notes due 2027 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 383.0 | 380.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 1 | 4.375% Senior notes due 2031 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 490.9 | 492.3
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 1 | 3.875% Senior notes due 2029 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 720.0 | 716.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 1 | U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 19.8 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 1 | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 0.0 | 0.0
Total debt securities | 28.1 | 0.0
Derivative assets | 11.0 | 12.3
Derivative liabilities | 11.0 | 12.3
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 2 | Non-recourse notes payable | Non-recourse |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 1,828.3 | 1,705.1
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 2 | Real estate mortgages and other debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 744.6 | 644.5
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 2 | 4.625% Senior notes due 2027 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 2 | 4.375% Senior notes due 2031 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 2 | 3.875% Senior notes due 2029 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 2 | U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 2 | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 28.1 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 0.0 | 0.0
Total debt securities | 0.0 | 0.0
Derivative assets | 0.0 | 0.0
Derivative liabilities | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 3 | Non-recourse notes payable | Non-recourse |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 3 | Real estate mortgages and other debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 3 | 4.625% Senior notes due 2027 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 3 | 4.375% Senior notes due 2031 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 3 | 3.875% Senior notes due 2029 | Senior Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 3 | U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Estimate of Fair Value Measurement | Fair Value, Recurring | Level 3 | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | $ 0.0 | $ 0.0

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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