DEBT -Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Total debt outstanding	$ 3,476.8	$ 3,593.4
Less—debt issuance costs	(20.2)	(22.6)
Long-term debt, including current portion	3,457.6	3,572.0
Less—current portion, net of debt issuance costs	(447.7)	(479.2)
LONG-TERM DEBT	$ 3,010.0	3,092.8
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	$ 0.2	0.3
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	$ 0.7	0.8
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]
Long-term debt, gross	26.0	27.2
Line of Credit
Debt Instrument [Line Items]
Finance Lease, Liability	8.3	8.3
Line of Credit \| 2025 Real Estate Facility
Debt Instrument [Line Items]
Long-term debt, gross	520.5	537.4
Line of Credit \| 2021 Real Estate Facility
Debt Instrument [Line Items]
Long-term debt, gross	410.3	442.1
Line of Credit \| 2021 BofA Real Estate Facility
Debt Instrument [Line Items]
Long-term debt, gross	147.5	151.2
Line of Credit \| 2018 Wells Fargo Master Loan Facility
Debt Instrument [Line Items]
Long-term debt, gross	44.3	57.2
Line of Credit \| 2023 Syndicated Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 70.0	$ 120.0

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