Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Consolidated Balance Sheets (Parenthetical) [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 17.2	$ 24.7
Property and Equipment, accumulated depreciation	1,150.4	1,167.5
Intangible assets, accumulated amortization	$ 863.6	$ 819.9
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	7.5	7.5
Preferred stock, shares issued	0.0	0.0
Common stock, par value	$ 0.15	$ 0.15
Common stock, shares authorized	1,000.0	1,000.0
Common stock, shares issued	297.2	297.2
Common stock, shares outstanding	198.0	202.7
Treasury stock, shares	99.2	94.5