Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Cash flows provided by (used in) operating activities:
Net income (loss)		$ (29.8)	$ (23.3)
Reconciliation of net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization		149.4	149.7
Amortization of unrecognized pension loss (gain)		(0.1)	0.5
Debt early redemption premium expense		16.3	0.0
Amortization and write off of deferred debt issuance costs		11.0	4.7
Equity-based compensation expense		10.7	7.6
Restructuring charge		5.3	5.8
Restructuring payments		(4.0)	(3.3)
Changes in deferred income taxes		(28.8)	(26.1)
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable	[1]	59.5	9.9
(Increase) decrease in prepaid taxes, other prepaids and other current assets	[1]	(5.7)	61.2
Increase (decrease) in deferred revenue	[1]	70.9	78.7
Increase (decrease) in accounts payable	[1]	(12.1)	(2.1)
Increase (decrease) in accrued liabilities	[1]	(70.6)	(61.2)
Increase (decrease) in other accrued and current liabilities	[1]	(16.4)	(9.1)
(Increase) decrease in other long-term assets	[1]	0.6	(2.6)
Increase (decrease) in long-term liabilities	[1]	(18.1)	(23.9)
Net, other non-cash adjustments	[1]	0.7	1.7
Net cash provided by (used in) operating activities	[1]	138.8	168.2
Cash flows provided by (used in) investing activities:
Acquisitions of businesses, net of cash acquired		0.0	(617.0)
Cash settlements of foreign currency contracts		(1.7)	23.3
Capital expenditures		(4.1)	(1.2)
Additions to computer software and other intangibles		(43.6)	(42.4)
Other investing activities, net		0.0	(0.6)
Net cash provided by (used in) investing activities		(49.4)	(637.9)
Cash flows provided by (used in) financing activities:
Payment for debt early redemption premiums		(16.3)	0.0
Payment of long term debt		(420.0)	0.0
Proceeds from borrowings on Term Loan Facility		460.0	300.0
Payment of debt issuance costs		(7.4)	(2.6)
Other financing activities, net		(0.3)	(0.3)
Net cash provided by (used in) financing activities		(51.0)	290.1
Effect of exchange rate changes on cash and cash equivalents		0.3	0.7
Increase (decrease) in cash and cash equivalents		38.7	(178.9)
Cash and Cash Equivalents, Beginning of Period		177.1	352.3
Cash and Cash Equivalents, End of Period		215.8	173.4
Cash Paid for:
Income taxes payment (refund), net		30.5	(57.4)
Interest		40.7	63.0
Noncash Investing and Financing activities:
Fair value of acquired assets, including measurement period adjustments		0.5	1,185.8
Cash paid for acquired businesses		0.0	(646.9)
Unpaid purchase price accrued in "Other accrued and current liabilities"		(0.5)	0.0
Assumed liabilities from acquired businesses including non-controlling interest and measurement period adjustments		0.0	380.0
Eyeota/NetWise And Bisnode
Noncash Investing and Financing activities:
6,237,087 shares of common stock issued for the acquisition		0.0	(158.9)
Credit Facility
Cash flows provided by (used in) financing activities:
Proceeds from borrowings on Credit Facility		1.7	50.0
Payments of borrowings on lines of credit		(61.7)	(50.0)
Term Loan Facility
Cash flows provided by (used in) financing activities:
Payments of borrowings on lines of credit		$ (7.0)	$ (7.0)

[1] Net of the effect of acquisitions, see further details in Note 14.