Employee Benefit Plans - Share-Based Compensation Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Stock Based Compensation Expense Recorded in Cost and Expense Categories
Share-based compensation expense	$ 279.4	$ 209.3	$ 222.6
Stock options
Stock Based Compensation Expense Recorded in Cost and Expense Categories
Share-based compensation expense	2.2	5.4	9.3
RSUs, RSAs, and PSAs
Stock Based Compensation Expense Recorded in Cost and Expense Categories
Share-based compensation expense	249.1	181.9	196.2
ESPP Purchase Rights
Stock Based Compensation Expense Recorded in Cost and Expense Categories
Share-based compensation expense	28.1	22.0	17.1
Cost of revenues - Product
Stock Based Compensation Expense Recorded in Cost and Expense Categories
Share-based compensation expense	6.7	5.9	5.3
Cost of revenues - Service
Stock Based Compensation Expense Recorded in Cost and Expense Categories
Share-based compensation expense	20.8	17.4	18.2
Research and development
Stock Based Compensation Expense Recorded in Cost and Expense Categories
Share-based compensation expense	129.2	84.0	93.1
Sales and marketing
Stock Based Compensation Expense Recorded in Cost and Expense Categories
Share-based compensation expense	85.2	59.1	65.9
General and administrative
Stock Based Compensation Expense Recorded in Cost and Expense Categories
Share-based compensation expense	$ 37.5	$ 42.9	$ 40.1