Other Financial Information - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Other Financial Information [Abstract]
Contract manufacturer deposits	$ 316.4	$ 434.7
Prepaid expenses	140.9	104.3
Other current assets	134.2	141.0
Total prepaid expenses and other current assets	$ 591.5	$ 680.0