Revenue - Other Revenues (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Total product revenue, net	$ 9,890.6	$ 9,675.9	$ 9,835.6
Contract manufacturing revenue
Disaggregation of Revenue [Line Items]
Total product revenue, net	679.4	592.1	848.2
Royalty and other revenue
Disaggregation of Revenue [Line Items]
Total product revenue, net	53.5	60.5	51.1
Contract manufacturing, royalty and other revenue
Disaggregation of Revenue [Line Items]
Total product revenue, net	$ 732.9	$ 652.6	$ 899.3