v3.25.2
Discontinued Operations - Net Losses from Discontinued Operations, Net of Tax in our Statements of Operations (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Operating income $ (60.9) $ (23.0) $ (82.3) $ (63.6)
Net loss attributable to BKFC (240.5) (155.0) (355.5) (246.8)
Net loss attributable to noncontrolling interests (1.7) 0.0 (3.7) (1.9)
Net loss attributable to Dun & Bradstreet (238.8) (155.0) (351.8) (244.9)
Discontinued Operations, Held-for-Sale or Disposed of by Sale | Dun & Bradstreet        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Total revenues 585.2 576.2 1,165.0 1,140.7
Operating income 12.8 37.1 48.1 53.7
Loss before income taxes (34.0) (19.3) (48.8) (86.3)
Net loss attributable to BKFC (32.6) (15.7) (47.4) (37.6)
Net loss attributable to noncontrolling interests 1.1 0.7 2.1 2.0
Net loss attributable to Dun & Bradstreet $ (33.7) $ (16.4) $ (49.5) $ (39.6)