Shareholders' Equity (Components Of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Stockholders' Equity Note [Abstract]
Foreign currency translation adjustments	$ (2.2)	$ 1.0
Derivative (loss) gain, net	(1.1)	0.5
Pension and postretirement adjustments	(106.9)	(106.2)
Accumulated other comprehensive (loss)	$ (110.2)	$ (104.7)

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant