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FAIR VALUE MEASUREMENTS - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | $ 150.7 | $ 128.3
Equity securities | 2.1 | 2.2
Total debt securities | 51.5 | 51.1
Derivative assets | 3.2 | 4.5
Derivative liabilities | 3.2 | 4.5
Senior notes | 4.625% Senior notes due 2027 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | $ 400.0 | 400.0
Debt stated interest rate (as a percent) | 4.625% |
Senior notes | 4.375% Senior notes due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | $ 550.0 | 550.0
Debt stated interest rate (as a percent) | 4.375% |
Senior notes | 3.875% Senior notes due 2029 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | $ 800.0 | 800.0
Debt stated interest rate (as a percent) | 3.875% |
Non-recourse notes payable | Non-recourse |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | $ 2,363.7 | 2,109.3
Real estate mortgages and other debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 690.2 | 698.0
PINE.L |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity method investment | 93.4 | 100.0
U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 20.0 | 20.2
Municipal debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 10.1 | 10.0
Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 21.4 | 20.9
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 150.7 | 128.3
Equity securities | 2.1 | 2.2
Total debt securities | 20.0 | 20.2
Derivative assets | 0.0 | 0.0
Derivative liabilities | 0.0 | 0.0
Level 1 | Senior notes | 4.625% Senior notes due 2027 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 386.0 | 385.0
Level 1 | Senior notes | 4.375% Senior notes due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 496.4 | 500.5
Level 1 | Senior notes | 3.875% Senior notes due 2029 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 728.0 | 732.0
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
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
Level 1 | PINE.L |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity method investment | 93.4 | 100.0
Level 1 | U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 20.0 | 20.2
Level 1 | Municipal debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Level 1 | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
Equity securities | 0.0 | 0.0
Total debt securities | 31.5 | 30.9
Derivative assets | 3.2 | 4.5
Derivative liabilities | 3.2 | 4.5
Level 2 | Senior notes | 4.625% Senior notes due 2027 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Level 2 | Senior notes | 4.375% Senior notes due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Level 2 | Senior notes | 3.875% Senior notes due 2029 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Level 2 | Non-recourse notes payable | Non-recourse |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 2,374.6 | 2,115.7
Level 2 | Real estate mortgages and other debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 709.3 | 701.3
Level 2 | PINE.L |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity method investment | 0.0 | 0.0
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
Level 2 | Municipal debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 10.1 | 10.0
Level 2 | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 21.4 | 20.9
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
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
Level 3 | Senior notes | 4.625% Senior notes due 2027 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Level 3 | Senior notes | 4.375% Senior notes due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Level 3 | Senior notes | 3.875% Senior notes due 2029 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
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
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
Level 3 | PINE.L |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity method investment | 0.0 | 0.0
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
Level 3 | Municipal debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Level 3 | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Restricted Cash - Collections |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 117.0 | 97.6
Restricted Cash - Collections | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 117.0 | 97.6
Restricted Cash - Collections | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
Restricted Cash - Collections | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
Restricted Cash - Reserve |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 33.7 | 30.7
Restricted Cash - Reserve | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 33.7 | 30.7
Restricted Cash - Reserve | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
Restricted Cash - Reserve | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | $ 0.0 | $ 0.0

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