Debt (Schedule Of Debt) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Principal debt outstanding	$ 527.5	$ 590.0
Unamortized debt financing costs	(2.4)	(3.2)
Less current installments of long-term debt	22.5	22.5
Long-term debt, less current installments	502.6	564.3
Revolving credit facility (due 2027) [Member]
Debt Instrument [Line Items]
Principal debt outstanding	100.0	140.0
Term loan A (due 2027) [Member]
Debt Instrument [Line Items]
Principal debt outstanding	427.5	450.0
Long-term Debt [Member]
Debt Instrument [Line Items]
Long-term debt	525.1	586.8
Short-term Debt [Member]
Debt Instrument [Line Items]
Less current installments of long-term debt	22.5	22.5
Long-Term Debt, Less Current Portion [Member]
Debt Instrument [Line Items]
Long-term debt, less current installments	$ 502.6	$ 564.3