STATEMENT OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Net income	$ 5.3	$ 0.8
Adjustments to reconcile net income to cash flow provided (used) by operating activities:
Depreciation and amortization	65.1	63.5
Amortization of deferred financing costs into interest expense	3.1	0.8
Share-based compensation	6.3	4.5
Debt prepayment costs - Exit Facility	0.0	2.0
Deferred income taxes	(8.8)	7.9
Loss (gain) on foreign currency translation	41.3	(10.5)
Other	0.1	(1.0)
Changes in certain assets and liabilities:
Trade receivables	33.4	51.6
Inventories	5.0	(66.3)
Accounts payable	(66.7)	(24.8)
Deferred revenue	1.6	(6.5)
Sales tax and net value added tax	(3.3)	(35.1)
Income taxes	(17.1)	(14.2)
Accrued salaries, wages and commissions	(20.5)	0.2
Restructuring accrual (Note 8)	3.7	6.4
Certain other assets and liabilities, net	(2.7)	(10.8)
Net cash provided (used) by operating activities	45.8	(31.5)
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Capital expenditures	(15.9)	(8.4)
Capitalized software development	(11.1)	(12.6)
Proceeds from maturities of investments	144.5	158.7
Payments for purchases of investments	(152.1)	(154.7)
Change in certain other assets	1.8	1.2
Net cash used by investing activities	(32.8)	(15.8)
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Dividends paid to noncontrolling interest shareholder	(2.0)	0.0
Debt prepayment costs	0.0	(2.0)
Debt issuance costs	0.0	(4.6)
Treasury share activity	(39.7)	0.0
Other	(2.4)	(2.6)
Net cash used by financing activities	(44.1)	(169.9)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	15.0	(15.0)
Change in cash, cash equivalents and restricted cash	(16.1)	(232.2)
Cash, cash equivalents and restricted cash at the beginning of the period	311.3	592.3
Cash, cash equivalents and restricted cash at the end of the period	295.2	360.1
Supplemental Cash Flow Information [Abstract]
Cash paid for: Income taxes	27.4	32.6
Cash paid for: Interest	21.7	76.4
2027 Revolving Facility
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Borrowings - revolving credit facility	0.0	200.0
Repayments of credit facilities	0.0	(160.7)
Exit Facility
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Repayments of credit facilities	$ 0.0	$ (200.0)