Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows provided by (used in) operating activities:
Net income (loss)		$ 4.1	$ (65.9)	$ (111.6)
Reconciliation of net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization		587.2	615.9	537.8
Amortization of unrecognized pension loss (gain)		(0.4)	1.9	(0.5)
Debt early redemption premium expense		16.3	29.5	50.1
Amortization and write off of deferred debt issuance costs		23.8	31.2	45.0
Pension settlement charge		2.1	0.0	0.6
Equity-based compensation expense		66.0	33.3	45.1
Restructuring charge		20.5	25.1	37.3
Restructuring payments		(16.9)	(20.6)	(16.5)
Change in fair value of make-whole derivative liability		0.0	0.0	32.8
Changes in deferred income taxes		(151.0)	(77.4)	(99.6)
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable	[1]	113.3	(13.7)	(45.1)
(Increase) decrease in prepaid taxes, other prepaids and other current assets	[1]	(23.2)	62.7	(28.9)
Increase (decrease) in deferred revenue	[1]	8.8	16.5	8.1
Increase (decrease) in accounts payable	[1]	(5.2)	(0.1)	9.1
Increase (decrease) in accrued payroll	[1]	3.6	10.8	(36.6)
Increase (decrease) in other accrued and current liabilities	[1]	(18.1)	(31.2)	(131.5)
(Increase) decrease in other long-term assets	[1]	(53.2)	(34.2)	(49.7)
Increase (decrease) in long-term liabilities	[1]	(41.2)	(84.4)	(39.2)
Net, other non-cash adjustments	[1]	0.6	4.3	(1.2)
Net cash provided by (used in) operating activities	[1]	537.1	503.7	205.5
Cash flows provided by (used in) investing activities:
Acquisitions of businesses, net of cash acquired		(0.5)	(844.8)	(20.6)
Cash settlements of foreign currency contracts and net investment hedge		6.0	22.3	7.7
Payments for real estate purchase		0.0	(76.6)	0.0
Capital expenditures		(12.6)	(9.7)	(7.8)
Additions to computer software and other intangibles		(205.3)	(170.7)	(115.2)
Other investing activities, net		1.9	0.8	2.1
Net cash provided by (used in) investing activities		(210.5)	(1,078.7)	(133.8)
Cash flows provided by (used in) financing activities:
Proceeds from issuance of common stock in the IPO transaction and Private Placement, net	[2]	0.0	0.0	2,248.2
Payment for the redemption of Cumulative Series A Preferred Stock		0.0	0.0	(1,067.9)
Payment for make-whole liability		0.0	0.0	(205.2)
Payment for debt early redemption premiums		(16.3)	(29.5)	(50.1)
Payments of dividends	[3]	(42.9)	0.0	(64.1)
Payment of long term debt		(420.0)	(450.0)	(580.0)
Proceeds from issuance of Senior Notes		0.0	460.0	0.0
Payment of debt issuance costs		(7.4)	(9.5)	(2.5)
Payment for purchase of non-controlling interests		(23.6)	0.0	0.0
Other financing activities, net	[4]	(14.6)	(2.8)	(7.8)
Net cash provided by (used in) financing activities		(281.1)	400.1	188.6
Effect of exchange rate changes on cash and cash equivalents		(14.2)	(0.3)	7.6
Increase (decrease) in cash and cash equivalents		31.3	(175.2)	267.9
Cash and Cash Equivalents, Beginning of Period		177.1	352.3	84.4
Cash and Cash Equivalents, End of Period		208.4	177.1	352.3
Cash Paid for:
Income taxes payment (refund), net		139.8	12.7	116.9
Interest		178.5	191.8	249.0
Noncash Investing and Financing activities:
Fair value of acquired assets		1.3	1,447.4	21.6
Cash paid for acquired businesses		(0.5)	(882.1)	(21.2)
Unpaid purchase price accrued in "Other accrued and current liabilities"		0.0	(6.9)	0.0
Assumed liabilities from acquired businesses including non-controlling interest		0.8	399.5	0.4
Noncash additions to computer software		15.0	7.9	0.0
Noncash additions to property, plant and equipment		0.0	1.7	2.0
Eyeota/NetWise And Bisnode
Noncash Investing and Financing activities:
6,237,087 shares of common stock issued for the acquisition		0.0	(158.9)	0.0
Predecessor Credit Facility
Cash flows provided by (used in) financing activities:
Proceeds from borrowings on lines of credit		315.1	314.1	407.2
Payments of borrowings on lines of credit		(424.8)	(154.1)	(407.2)
Successor Term Loan Facility
Cash flows provided by (used in) financing activities:
Proceeds from borrowings on lines of credit		460.0	300.0	0.0
Bridge Loan
Cash flows provided by (used in) financing activities:
Proceeds from borrowings on lines of credit		0.0	0.0	(63.0)
Payments of borrowings on lines of credit		$ (106.6)	$ (28.1)	$ (19.0)

[1] Net of the effect of acquisitions, see further details in Note 16.

[2] Net of IPO offering costs of $132.8 million of which $131.9 million was paid by proceeds raised from the offering (see Note 1) and $0.9 million was paid prior to the IPO and Private Placement.

[3] Payment of dividends for the year ended December 31, 2022 are related to quarterly common stock dividends. Payment of dividends for the year ended December 31, 2020 are related to non-recurring preferred dividends for the Series A Preferred Stock.

[4] Primarily related to distributions to non-controlling shareholders.