Accumulated Other Comprehensive Loss - Schedule of Components of AOCI (Details) - USD ($) $ in Millions	Sep. 30, 2026	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Accumulated Other Comprehensive Income Loss [Line Items]
Total shareholders’ equity	$ 513.9	$ 519.9	$ 524.5	$ 534.9	$ 537.8	$ 539.0	$ 544.1	$ 548.1
Foreign currency translation
Accumulated Other Comprehensive Income Loss [Line Items]
Gross Balance	(9.0)			(7.4)
Tax Effect	2.6			3.7
Total shareholders’ equity	(6.4)			(3.7)	(6.1)			(6.2)
Translation of foreign subsidiaries
Accumulated Other Comprehensive Income Loss [Line Items]
Gross Balance	1.6			7.5
Tax Effect	0.0			0.0
Total shareholders’ equity	1.6			7.5
Realized gain on cross-currency swaps designated as net investment hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Gross Balance	10.0			10.0
Tax Effect	(2.4)			(2.4)
Total shareholders’ equity	7.6			7.6
Unrealized loss on cross-currency swaps designated as net investment hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Gross Balance	(20.6)			(24.9)
Tax Effect	5.0			6.1
Total shareholders’ equity	(15.6)			(18.8)
Fair value hedge adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Gross Balance	(0.2)			(0.1)
Tax Effect	0.0			0.0
Total shareholders’ equity	(0.2)			(0.1)
Total
Accumulated Other Comprehensive Income Loss [Line Items]
Gross Balance	(9.2)			(7.5)
Tax Effect	2.6			3.7
Total shareholders’ equity	$ (6.6)	$ (5.5)	$ (6.1)	$ (3.8)	$ (6.9)	$ (7.6)	$ (7.0)	$ (6.2)