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Revenue Recognition - Disaggregated Revenues (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,724.9	$ 1,508.1	$ 4,894.6	$ 4,295.7
Product
Disaggregation of Revenue [Line Items]
Total revenue	559.3	473.9	1,527.3	1,334.7
Service
Disaggregation of Revenue [Line Items]
Total revenue	1,165.6	1,034.2	3,367.3	2,961.0
Security subscription
Disaggregation of Revenue [Line Items]
Total revenue	672.0	595.8	1,939.5	1,691.4
Technical support and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 493.6	$ 438.4	$ 1,427.8	$ 1,269.6

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