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Revenue Recognition (Tables) | 9 Months Ended
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Sep. 30, 2025
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following table presents our revenue disaggregated by major product and service lines (in millions):
| Three Months Ended |  | Nine Months Ended
| September 30, 2025 |  | September 30, 2024 |  | September 30, 2025 |  | September 30, 2024
Product | $ | 559.3 |  |  | $ | 473.9 |  |  | $ | 1,527.3 |  |  | $ | 1,334.7 |
Service: |  |  |  |  |  |  |
Security subscription | 672.0 |  |  | 595.8 |  |  | 1,939.5 |  |  | 1,691.4 |
Technical support and other | 493.6 |  |  | 438.4 |  |  | 1,427.8 |  |  | 1,269.6 |
Total service revenue | 1,165.6 |  |  | 1,034.2 |  |  | 3,367.3 |  |  | 2,961.0 |
Total revenue | $ | 1,724.9 |  |  | $ | 1,508.1 |  |  | $ | 4,894.6 |  |  | $ | 4,295.7 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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