Financing (Components Of Debt) (Detail) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Total long-term debt	$ 1,087.1	$ 1,148.2
Debt issuance costs	1.6	1.8
Short-term borrowings	11.3	0.0
The Credit Agreement \| Line of Credit \| Revolving Facility
Debt Instrument [Line Items]
Revolving Facility	200.0	250.0
The Credit Agreement \| Unsecured Debt
Debt Instrument [Line Items]
Total long-term debt	887.1	$ 898.2
Long-Term Debt, Current Maturities [Abstract]	$ 11.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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