Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Cash flows provided by (used in) operating activities:
Net income (loss)		$ (21.9)	$ (32.8)
Reconciliation of net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization		144.0	145.4
Amortization of unrecognized pension loss (gain)		(0.4)	(0.7)
Deferred debt issuance costs amortization and write-off		39.3	4.2
Equity-based compensation expense		17.9	20.5
Restructuring charge		3.4	4.2
Restructuring payments		(3.0)	(4.8)
Changes in deferred income taxes		(35.1)	(27.5)
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable		82.4	89.9
(Increase) decrease in prepaid taxes, other prepaids and other current assets		(3.8)	(29.1)
Increase (decrease) in deferred revenue		43.9	73.4
Increase (decrease) in accounts payable		(12.6)	(5.3)
Increase (decrease) in accrued payroll		(57.0)	(52.1)
Increase (decrease) in other accrued and current liabilities		(15.3)	(27.0)
(Increase) decrease in other long-term assets		1.6	6.8
Increase (decrease) in long-term liabilities		(16.4)	(9.7)
Net, other non-cash adjustments		(8.1)	0.3
Net cash provided by (used in) operating activities		158.9	155.7
Cash flows provided by (used in) investing activities:
Cash settlements of foreign currency contracts and net investment hedge		3.0	6.1
Capital expenditures		(1.3)	(1.3)
Additions to computer software and other intangibles		(56.4)	(44.6)
Other investing activities, net		(0.2)	0.2
Net cash provided by (used in) investing activities		(54.9)	(39.6)
Cash flows provided by (used in) financing activities:
Payments of dividends		(22.0)	(21.5)
Payment of debt issuance costs		(26.6)	0.0
Payment for purchase of non-controlling interests		0.0	(85.9)
Other financing activities, net	[1]	(2.1)	(11.3)
Net cash provided by (used in) financing activities		(75.7)	(122.2)
Effect of exchange rate changes on cash and cash equivalents		(0.4)	1.8
Increase (decrease) in cash and cash equivalents		27.9	(4.3)
Cash and Cash Equivalents, Beginning of Period		188.1	208.4
Cash and Cash Equivalents, End of Period		216.0	204.1
Cash Paid for:
Income taxes payment (refund), net		9.6	13.5
Interest		47.9	44.8
Noncash additions to computer software		9.0	1.9
Predecessor Revolving Credit Facility
Cash flows provided by (used in) financing activities:
Proceeds from borrowings on lines of credit		10.4	67.5
Payments of borrowings on lines of credit		(35.4)	(62.8)
New Term Loan Facility
Cash flows provided by (used in) financing activities:
Proceeds from borrowings on lines of credit		3,103.6	0.0
Payments of borrowings on lines of credit		$ (3,103.6)	$ (8.2)

[1] Prior year balance primarily related to payments for equipment finance lease assets.