LONG-TERM DEBT AND FINANCING ARRANGEMENTS - Letters of Credit & Surety Bonds (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Financing Arrangements
Outstanding letters of credit	$ 17.4	$ 10.6
Accounts receivable securitization program
Financing Arrangements
Outstanding letters of credit	16.8	10.0
Surety bonds
Financing Arrangements
Outstanding surety bonds under uncollateralized bond programs	$ 65.2	$ 62.6