Segment Information - Summary of net sales and assets by geographic area (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]
Net Sales	$ 1,126.7	$ 898.4	$ 3,041.7	$ 2,408.4
Total property, plant and equipment	363.2		363.2		$ 371.7
U.S
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]
Net Sales	1,047.7	792.9	2,782.8	2,080.1
Total property, plant and equipment	304.9		304.9		309.7
Americas
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]
Net Sales	46.7	74.8	161.8	230.1
Total property, plant and equipment	45.0		45.0		49.1
Europe
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]
Net Sales	19.0	16.0	55.3	50.7
Total property, plant and equipment	4.0		4.0		3.9
Asia Pacific
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]
Net Sales	13.3	$ 14.7	41.8	$ 47.5
Total property, plant and equipment	$ 9.3		$ 9.3		$ 9.0