SHORT-TERM DEBT AND LINES OF CREDIT - REVOLVING CREDIT FACILITIES (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Revolving credit facility
Commercial paper outstanding	$ 302.6	$ 159.5
Available capacity under existing credit facility	146.1
Revolving credit facility maturing August 2030
Revolving credit facility
Revolving credit facility	450.0
Letter of credit
Revolving credit facility
Letters of credit issued inside credit facility	1.3
Commercial paper
Revolving credit facility
Commercial paper outstanding	$ 302.6	$ 159.5

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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- Definition

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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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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