v3.22.2.2
Acquisitions - Pro Forma Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Business Acquisition [Line Items]        
Revenue $ 556.3 $ 541.9 $ 1,629.6 $ 1,567.3
Total pro forma revenue   555.3   1,606.3
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc. 8.0 16.6 (25.1) (60.1)
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc. $ 8.0 16.6 $ (25.1) (60.1)
Pro forma net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   15.2   (62.0)
Bisnode        
Business Acquisition [Line Items]        
Revenue   0.0   4.6
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   0.0   0.8
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   0.0   0.8
Eyeota        
Business Acquisition [Line Items]        
Revenue   10.8   27.3
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   0.5   (0.7)
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   0.5   (0.7)
NetWise        
Business Acquisition [Line Items]        
Revenue   2.6   7.1
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   0.3   1.1
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   0.3   1.1
Intangible amortization - net of tax benefits        
Business Acquisition [Line Items]        
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   (2.2)   (5.7)
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   (2.2)   (5.7)
Write off related to pre-existing relationship - net of tax benefits        
Business Acquisition [Line Items]        
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   0.0   2.3
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   0.0   2.3
Transaction costs - net of tax benefits        
Business Acquisition [Line Items]        
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   0.0   0.3
Reported net income (loss) attributable to Dun & Bradstreet Holdings, Inc.   $ 0.0   $ 0.3