INCOME TAXES - Deferred Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred Tax Assets:
Operating lease liabilities	$ 41.1	$ 38.7
Inventories	20.0	14.8
Pension benefits	27.8	27.2
Stock-based compensation expense	38.4	36.2
Capitalized expenses	228.5	233.3
Tax credit and loss carryforwards	432.9	377.7
Accruals, prepayments, and other	35.6	79.1
Valuation allowances	(311.8)	(282.4)
Total deferred tax assets	512.5	524.6
Deferred Tax Liabilities:
Property, plant and equipment	(8.7)	(36.8)
Operating lease right-of-use assets	(39.3)	(36.0)
Insurance, including self-insurance	(221.9)	(211.9)
Goodwill, other intangibles, and other	(886.1)	(748.7)
Total deferred tax liabilities	(1,156.0)	(1,033.4)
Net deferred tax liability	$ (643.5)	$ (508.8)