INCOME TAXES - Deferred Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets:
Operating lease liabilities	$ 38.7	$ 39.1
Inventories	14.8	10.4
Pension benefits	27.2	24.4
Stock-based compensation expense	36.2	34.2
Capitalized expenses	233.3	190.7
Tax credit and loss carryforwards	377.7	168.5
Accruals, prepayments, and other	79.1	39.4
Valuation allowances	(282.4)	(74.6)
Total deferred tax assets	524.6	432.1
Deferred Tax Liabilities:
Property, plant and equipment	(36.8)	(42.9)
Operating lease right-of-use assets	(36.0)	(36.8)
Insurance, including self-insurance	(211.9)	(205.0)
Goodwill, other intangibles, and other	(748.7)	(779.7)
Total deferred tax liabilities	(1,033.4)	(1,064.4)
Net deferred tax liability	$ (508.8)	$ (632.3)