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Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents our revenue disaggregated by major product and service lines (in millions):

			Year Ended December 31,
			2021						2020						2019
Product			$	1,255.0					$	916.4					$	788.5
Service:
Security subscription			1,125.0						918.7						750.8
Technical support and other			962.2						759.3						623.7
Total service revenue			2,087.2						1,678.0						1,374.5
Total revenue			$	3,342.2					$	2,594.4					$	2,163.0

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

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- References

No definition available.

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