Revenue and Contract Acquisition Costs - Schedule of Revenue from Contracts with Customers (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 432.7	$ 340.8	$ 1,187.3	$ 935.6
Total Omnipod
Disaggregation of Revenue [Line Items]
Total revenue	422.0	326.1	1,160.1	881.4
U.S. Omnipod
Disaggregation of Revenue [Line Items]
Total revenue	320.6	238.1	856.4	608.6
International Omnipod
Disaggregation of Revenue [Line Items]
Total revenue	101.4	88.0	303.7	272.8
Drug Delivery
Disaggregation of Revenue [Line Items]
Total revenue	$ 10.7	$ 14.7	$ 27.2	$ 54.2