FAIR VALUE MEASUREMENTS - Activity for Investments (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Fair Value Disclosures [Abstract]
Proceeds from Investment Sales	$ 0.4	$ 4.5	$ 17.0	$ 7.5
Purchases of Investments	14.0	6.0	20.5	9.0
Gross Realized Gains on Investment Sales	0.0	0.4	4.2	0.7
Gross Realized Losses on Investment Sales	$ 0.0	$ 0.3	$ 0.5	$ 0.5

Gross Realized Gains on Investment Sales On Short Term Investment.

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- Definition

Gross Realized Losses On Investment Sales On Short Term Investment.

+ References

No definition available.

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- References

No definition available.

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- Definition

The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

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- Definition

The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

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