Earnings (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings (Loss) per Share

The following table sets forth the computation of basic and diluted earnings (loss) per share:

	Successor						Predecessor
	Year ended December 31, 2021		Year ended December 31, 2020		Period from January 1 to December 31, 2019		Period from January 1 to February 7, 2019
Net income (loss) attributable to Dun & Bradstreet Holdings, Inc. (Successor) / The Dun & Bradstreet Corporation (Predecessor)	$	(71.7)	$	(180.6)	$	(674.1)	$	(75.6)
Weighted average number of shares outstanding-basic	428.7		367.1		314.5		37.2
Weighted average number of shares outstanding-diluted	428.7		367.1		314.5		37.2
Earnings (loss) per share of common stock:
Basic	$	(0.17)	$	(0.49)	$	(2.14)	$	(2.04)
Diluted	$	(0.17)	$	(0.49)	$	(2.14)	$	(2.04)

Schedule of Reconciliation of Common Stock Issued and Outstanding

Below is a reconciliation of our common stock issued and outstanding:

Common shares issued and outstanding as of December 31, 2019	314,494,968
Shares issued in connection with IPO and private placement	108,506,312
Issuance of restricted stock awards	416,851
Shares forfeited	—
Common shares issued as of December 31, 2020	423,418,131
Less: treasury shares	465,903
Common shares outstanding as of December 31, 2020	422,952,228
Common shares issued as of December 31, 2020	423,418,131
Shares issued	9,177,810
Shares forfeited	(524,942)
Common shares issued as of December 31, 2021	432,070,999
Less: treasury shares	873,217
Common shares outstanding as of December 31, 2021	431,197,782