Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Condensed Consolidated Balance Sheets [Abstract]
Trade receivables, allowances	$ 14.7	$ 15.2
Intangible assets, accumulated amortization	$ 68.5	$ 62.1
Common stock, stated value per share	$ 20.00	$ 20.00
Authorized	50,000,000	50,000,000
Issued to voting trustees	27,237,708	26,656,527
Issued to shareholders	5,625,739	5,533,939
In treasury, at cost	(260,066)	(57,751)
Outstanding Common Stock	32,603,381	32,132,715