Segment Information - Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Total revenue	$ 1,849.6	$ 1,539.7
Total cost of revenue	364.5	293.1
Research and development	214.0	198.6
General and administrative	56.2	57.8
Provision for income taxes	122.0	96.5
NET INCOME	534.5	433.4
Product
Segment Reporting Information [Line Items]
Total revenue	645.1	459.1
Total cost of revenue	208.3	149.9
Service
Segment Reporting Information [Line Items]
Total revenue	1,204.5	1,080.6
Total cost of revenue	156.2	143.2
Reportable Segment
Segment Reporting Information [Line Items]
Total revenue	1,849.6	1,539.7
Research and development	214.0	198.6
Other sales and marketing expense	514.8	439.7
Commission expense	121.5	103.0
General and administrative	56.2	57.8
Other segment items	77.9	82.4
Provision for income taxes	122.0	96.5
NET INCOME	534.5	433.4
Reportable Segment | Product
Segment Reporting Information [Line Items]
Total cost of revenue	208.3	149.9
Reportable Segment | Service
Segment Reporting Information [Line Items]
Total cost of revenue	$ 156.2	$ 143.2