XML 84 R68.htm IDEA: XBRL DOCUMENT v3.21.1
Revenues by Product Lines (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Revenue from External Customer [Line Items]      
Total revenues $ 2,064.9 $ 1,994.8 $ 1,916.5
Network Security Gateways      
Revenue from External Customer [Line Items]      
Total revenues 472.4 455.9 468.5
Other      
Revenue from External Customer [Line Items]      
Total revenues [1] 41.2 54.9 57.1
Products and licenses      
Revenue from External Customer [Line Items]      
Total revenues 513.6 510.8 525.6
Security subscriptions      
Revenue from External Customer [Line Items]      
Total revenues 671.1 610.3 542.3
Software updates and maintenance      
Revenue from External Customer [Line Items]      
Total revenues $ 880.2 $ 873.7 $ 848.6
[1] Comprised of Endpoint security, Mobile security and Security management products, each comprising of less than 10% of products and licenses revenues.