Debt (Schedule Of Debt) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Uncommitted Credit Facilities, floating rate	$ 43.6
Unamortized discount and issuance costs	(5.4)	$ (6.8)
Total debt	1,588.2	1,293.2
Short-term debt	343.6	0.0
Long-term debt	$ 1,244.6	1,293.2
Uncommitted Facilities, floating rate
Debt Instrument [Line Items]
Effective interest rate	4.21%
Uncommitted Credit Facilities, floating rate	$ 43.6	0.0
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Effective interest rate	3.88%
Debt, gross	$ 250.0	0.0
Senior Notes, 4.15%, due June 2023 \| Senior Notes
Debt Instrument [Line Items]
Fixed rate	4.15%
Effective interest rate	4.36%
Debt, gross	$ 300.0	300.0
Senior Notes, 4.75%, due December 2024 \| Senior Notes
Debt Instrument [Line Items]
Fixed rate	4.75%
Effective interest rate	4.95%
Debt, gross	$ 400.0	400.0
Senior Notes, 4.90%, due June 2028 \| Senior Notes
Debt Instrument [Line Items]
Fixed rate	4.90%
Effective interest rate	5.04%
Debt, gross	$ 600.0	$ 600.0

Short Term Debt, Gross

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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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Amount of unamortized debt discount (premium) and debt issuance costs.

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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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