Pension And Postretirement Benefits (Schedule Of Fair Value Of Company Pension Plan Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	$ 730.7	$ 675.4
Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	493.4	450.4
Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	2.5	2.1
Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Net Asset Value ("NAV") Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	234.8	222.9
Cash Equivalents and Money Markets
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	21.3	20.5
Cash Equivalents and Money Markets \| Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	21.3	20.5
Cash Equivalents and Money Markets \| Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Cash Equivalents and Money Markets \| Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Actively Managed U.S. Equities
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	29.0	34.6
Actively Managed U.S. Equities \| Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	29.0	34.6
Actively Managed U.S. Equities \| Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Actively Managed U.S. Equities \| Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
U.S. Equity Funds
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	110.9	116.9
U.S. Equity Funds \| Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	110.9	116.9
U.S. Equity Funds \| Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
U.S. Equity Funds \| Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Non-U.S. Equity Funds
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	83.3	81.2
Non-U.S. Equity Funds \| Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	65.0	64.5
Non-U.S. Equity Funds \| Net Asset Value ("NAV") Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	18.3	16.7
U.S. Fixed Income, Government and Corporate
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	227.4	172.6
U.S. Fixed Income, Government and Corporate \| Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	227.4	172.6
U.S. Fixed Income, Government and Corporate \| Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
U.S. Fixed Income, Government and Corporate \| Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Registered Investment Company
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	25.2	22.9
Registered Investment Company \| Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	25.2	22.9
Registered Investment Company \| Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Registered Investment Company \| Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Non-U.S. Fixed Income, Government and Corporate
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	169.4	156.9
Non-U.S. Fixed Income, Government and Corporate \| Net Asset Value ("NAV") Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	169.4	156.9
Property Funds
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	14.6	18.4
Property Funds \| Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	14.6	18.4
Property Funds \| Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Property Funds \| Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Insurance / Annuity Contract(s)
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	2.5	2.1
Insurance / Annuity Contract(s) \| Active Markets for Identical Assets Level 1
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Insurance / Annuity Contract(s) \| Other Observable Inputs Level 2
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	2.5	2.1
Insurance / Annuity Contract(s) \| Unobservable Inputs Level 3
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	0.0	0.0
Hedge Funds and LDI
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	31.8	28.8
Hedge Funds and LDI \| Net Asset Value ("NAV") Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	31.8	28.8
International Property Funds
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	15.3	20.5
International Property Funds \| Net Asset Value ("NAV") Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Total Fair Value	$ 15.3	$ 20.5