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Discontinued Operations - Narrative (Details) - USD ($) $ in Millions		6 Months Ended
	Aug. 26, 2025	Jun. 30, 2026	Jun. 30, 2025
Disposal Group, Including Discontinued Operations [Line Items]
Dividends received		$ 0.6	$ 3.1
Dun And Bradstreet Corporation
Disposal Group, Including Discontinued Operations [Line Items]
Proceeds from sale of investments in unconsolidated affiliates, equity securities and other long-term investments	$ 540.3
Sale of stock (in shares)	59,048,691
Dun And Bradstreet Corporation | Discontinued Operations, Held-for-Sale or Disposed of by Sale | Dun And Bradstreet Corporation
Disposal Group, Including Discontinued Operations [Line Items]
Impairment charges			68.1
Dividends received			$ 3.5

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