Income Taxes - Reconciliation of the Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Tax provision based on U.S. federal statutory tax rate	$ 20.1	$ 14.0	$ 30.5
Foreign rates varying from federal statutory tax rate	(0.2)	(1.5)	(5.4)
State income taxes, net of U.S. federal income tax benefit	2.2	7.5	0.7
U.S. taxes on foreign earnings and other tax reform impacts	10.3	9.4	29.7
Uncertain tax positions	(7.4)	8.9	(1.5)
Statutory adjustments, including foreign currency and tax rate changes	4.9	(9.2)	(3.8)
Non-taxable interest income & non-deductible interest expense	0.5	(3.3)	2.1
Valuation allowances	4.0	(10.9)	(13.3)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount	1.2	1.8	1.0
Withholding tax	10.0	8.0	7.8
Foreign tax credit	(18.6)	(13.2)	(25.0)
Sale of Avinode business	12.4	0.0	0.0
Sale of Brazil business	(6.0)	0.0	0.0
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount	(6.2)	0.0	0.0
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	0.6	1.5	6.6
Total provision for income taxes	27.6	13.0	$ 29.2
Discrete income tax benefit, net	$ 3.2	$ (5.4)