Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Net Income (Loss) Attributable to Parent, Total	$ 42.0	$ 16.9	$ 94.7	$ 33.1
Pension and postretirement activity:
Reclassification to earnings, net of income tax	0.4	0.5	1.2	1.5
Other Comprehensive Income (Loss), Net of Tax, Total	0.4	0.5	1.2	1.5
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	42.4	17.4	$ 95.9	$ 34.6
Retained Earnings [Member]
Net Income (Loss) Attributable to Parent, Total	$ 42.0	$ 16.9

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

- Definition

Amount after tax and reclassification adjustments of other comprehensive income (loss).

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