Consolidated Statements of Shareholders' Equity (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounting Standards Update [Extensible Enumeration]				Cumulative effect of ASU 2016-13
Pension and postretirement liability adjustment, tax	$ 1.9	$ 2.3	$ 1.1
Dividend per share (in dollars per shares)	$ 1.23	$ 1.19	$ 1.13
Cumulative effect of ASU 2016-13
Income tax expense (benefit), intraperiod tax allocation				$ 0.2