LEASES (Lease Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total lease right of use assets	Total lease right of use assets
Finance lease assets	$ 56.3	$ 67.4
Total lease right of use assets	1,169.0	1,099.9
Current operating lease liabilities	239.8
Current finance lease liabilities	12.2	11.7
Long-term lease obligations	880.0
Long-term financing lease liabilities - third party	46.1	57.9
Total lease liabilities	$ 1,178.1	$ 1,103.6
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses	Accrued expenses
Third Party Lease
Operating Lease, Right-of-Use Asset	$ 731.9	$ 610.9
Total lease right of use assets	788.2	678.3
Current operating lease liabilities	131.1	60.5
Long-term lease obligations	607.9	551.8
Long-term financing lease liabilities - third party	46.1	57.9
Lease with Affiliate
Operating Lease, Right-of-Use Asset	380.8	421.6
Total lease right of use assets	380.8	421.6
Current operating lease liabilities	108.7	104.5
Long-term lease obligations	$ 272.1	$ 317.2