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DEBT -Schedule of Long-Term Debt (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Debt Instrument [Line Items] |  |
Finance lease liability | $ 8.3 | $ 8.4
Total debt outstanding | 3,403.7 | 3,230.1
Less—debt issuance costs | (22.5) | (25.9)
Long-term debt, including current portion | 3,382.8 | 3,206.2
Less—current portion, net of current portion of debt issuance costs | (83.4) | (84.9)
LONG-TERM DEBT | 3,299.5 | 3,121.2
2021 Real Estate Facility | Bank of America, N.A. |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 588.6 | 614.4
2021 BofA Real Estate Facility | Wells Fargo Bank, National Association |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 160.4 | 165.9
2018 Bank of America Facility | Bank of America, N.A. |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 38.8 | 50.3
2018 Wells Fargo Master Loan Facility | Wells Fargo Bank, National Association |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 63.4 | 72.0
2015 Wells Fargo Master Loan Facility | Wells Fargo Bank, National Association |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | 33.3 | 37.2
2023 Syndicated Revolving Credit Facility | Bank of America, N.A. |  |
Debt Instrument [Line Items] |  |
Long-term debt, gross | $ 230.7 | 0.0
Senior Notes | 4.50% Senior Notes due 2028 |  |
Debt Instrument [Line Items] |  |
Stated interest rate of debt instrument | 4.50% |
Long-term debt, gross | $ 405.0 | 405.0
Add—unamortized premium | $ 0.5 | 0.6
Senior Notes | 4.625% Senior Notes due 2029 |  |
Debt Instrument [Line Items] |  |
Stated interest rate of debt instrument | 4.625% |
Long-term debt, gross | $ 800.0 | 800.0
Senior Notes | 4.75% Senior Notes due 2030 |  |
Debt Instrument [Line Items] |  |
Stated interest rate of debt instrument | 4.75% |
Long-term debt, gross | $ 445.0 | 445.0
Add—unamortized premium | $ 1.1 | 1.3
Senior Notes | 5.00% Senior Notes due 2032 |  |
Debt Instrument [Line Items] |  |
Stated interest rate of debt instrument | 5.00% |
Long-term debt, gross | $ 600.0 | 600.0
Mortgage notes payable bearing interest at fixed rates |  |
Debt Instrument [Line Items] |  |
Stated interest rate of debt instrument | 5.80% |
Long-term debt, gross | $ 30.1 | $ 31.9

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