Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Condensed Consolidated Balance Sheets [Abstract]
Trade receivables, allowances	$ 13.7	$ 13.6
Intangible assets, accumulated amortization	$ 55.8	$ 38.0
Common stock, stated value per share	$ 20.00	$ 20.00
Authorized	50,000,000	50,000,000
Issued to voting trustees	27,539,105	26,614,542
Issued to shareholders	5,675,278	5,518,543
In treasury, at cost	(1,028,114)	(69,174)
Outstanding Common Stock	32,186,269	32,063,911