SIGNIFICANT ACCOUNTING POLICIES - Valuation Allowance and Reserves (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounts Receivable and Allowance for Doubtful Accounts
Allowance for doubtful accounts, returns and credits	$ 53.0	$ 72.0	$ 59.0
Activity in the allowance for doubtful accounts
Beginning balance	77.3	71.9	52.8
Bad debt expense	46.9	54.0	38.1
Write-offs	(51.0)	(46.2)	(21.1)
Other (a)	(3.2)	(2.4)	2.1
Ending balance	$ 70.0	$ 77.3	$ 71.9