Accrued Expenses and Other Current Liabilities - Schedule of Other Current Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Payables and Accruals [Abstract]
Seller earnout and deferred acquisition consideration	$ 87.0	$ 2.6
Personnel and restructuring costs	81.3	114.1
Commercial costs	19.5	18.9
Warranty costs	25.4	24.5
Accrued interest	27.7	46.4
Right-of-use liabilities	24.9	19.9
Insurance and professional fees	29.3	19.5
Income tax payable	0.8	5.4
Other	73.4	13.9
Total	$ 369.3	$ 265.2