Stock-based Compensation Expense - Schedule of Unrecognized Stock-Based Compensation Expense (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Expense	$ 605.5
Restricted stock units (including PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Expense	$ 593.6
Weighted-average Recognition Period	1 year 10 months 24 days
ESPP share issuances
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Expense	$ 11.9
Weighted-average Recognition Period	7 months 9 days