Accumulated Other Comprehensive Loss / Income (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	$ 1,916.9	$ 1,559.1	$ 1,550.0	$ 1,467.2
Cumulative foreign currency translation adjustment, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	(25.1)	(93.6)
Unrealized gain on pension and postretirement benefit plans, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	2.5	2.4
Unrealized loss on net investment hedges, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	(32.4)	(5.8)
Unrealized (loss) gain on cash flow hedges, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	(0.1)	0.2
Less: cumulative loss attributable to noncontrolling interests
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	(2.5)	(3.8)
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	$ (52.6)	$ (93.0)	$ (65.3)	$ (75.7)