Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023
Cash flows provided by (used in) operating activities:
Net income (loss)		$ (37.6)	$ (51.6)
Reconciliation of net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization		285.3	290.4
Amortization of unrecognized pension loss (gain)		(0.9)	(1.4)
Deferred debt issuance costs amortization and write-off		40.6	8.4
Equity-based compensation expense		36.1	45.3
Restructuring charge		6.7	8.8
Restructuring payments		(5.5)	(8.8)
Changes in deferred income taxes		(70.9)	(74.5)
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable		54.2	83.0
(Increase) decrease in prepaid taxes, other prepaids and other current assets		9.3	(8.9)
Increase (decrease) in deferred revenue		4.2	42.5
Increase (decrease) in accounts payable		(24.2)	(8.0)
Increase (decrease) in accrued payroll		(42.5)	(36.2)
Increase (decrease) in other accrued and current liabilities		(19.6)	(46.1)
(Increase) decrease in other long-term assets		(2.6)	2.6
Increase (decrease) in long-term liabilities		(37.8)	(28.4)
Net, other non-cash adjustments		0.8	(2.5)
Net cash provided by (used in) operating activities		195.6	214.6
Cash flows provided by (used in) investing activities:
Cash settlements of foreign currency contracts and net investment hedge		0.2	13.6
Capital expenditures		(2.1)	(2.6)
Additions to computer software and other intangibles		(109.4)	(91.9)
Other investing activities, net		(0.8)	(0.3)
Net cash provided by (used in) investing activities		(112.1)	(81.2)
Cash flows provided by (used in) financing activities:
Payment for shares repurchased		(9.3)	0.0
Payments of dividends		(43.9)	(43.0)
Payment of debt issuance costs		(26.6)	0.0
Payment for purchase of non-controlling interests		0.0	(85.9)
Other financing activities, net		(13.9)	(11.4)
Net cash provided by (used in) financing activities		(6.5)	(88.0)
Effect of exchange rate changes on cash and cash equivalents		(1.4)	6.8
Increase (decrease) in cash, cash equivalents and restricted cash		75.6	52.2
Cash, Cash Equivalents and Restricted Cash, Beginning of Period		188.1	208.4
Cash, Cash Equivalents and Restricted Cash, End of Period		263.7	260.6
Reconciliation of cash, cash equivalents and restricted cash
Cash and cash equivalents reported in the condensed consolidated balance sheets		263.2	260.6
Restricted cash included within other current assets	[1]	0.5	0.0
Total cash, cash equivalents and restricted cash reported in the statements of cash flows		263.7	260.6
Cash Paid for:
Income taxes payment (refund), net		55.8	63.4
Interest		107.5	103.0
Noncash additions to computer software		12.8	7.3
Predecessor Revolving Credit Facility
Cash flows provided by (used in) financing activities:
Proceeds from borrowings on lines of credit		218.8	272.6
Payments of borrowings on lines of credit		(123.8)	(203.9)
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		$ (3,111.4)	$ (16.4)

[1] (1)Restricted cash represents funds set aside associated with customer refunds.