Income Taxes (Schedule Of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Earnings before income taxes, Domestic	$ 342.0	$ 291.9	$ 251.7
Earnings before income taxes, Foreign	5.1	6.4	5.9
Earnings from continuing operations before income taxes	347.1	298.3	257.6
Current income tax expense (benefit), Federal	64.0	59.8	46.3
Current income tax expense (benefit), Foreign	1.2	1.7	1.3
Current income tax expense (benefit), State	16.3	13.9	11.3
Current income tax expense (benefit), Total	81.5	75.4	58.9
Deferred income tax expense (benefit), Federal	(0.9)	(3.2)	(1.9)
Deferred income tax expense (benefit), Foreign	(0.1)	(0.2)	(0.2)
Deferred income tax expense (benefit), State	1.7	2.5	0.9
Deferred income tax expense (benefit), Total	0.7	(0.9)	(1.2)
Tax expense at effective rate	$ 82.2	$ 74.5	$ 57.7