Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Disaggregation of Revenue

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

	Three Months Ended
	March 31, 2020		March 31, 2019
Product	$	192.3	$	162.7
Service:
Security subscription	211.4		169.6
Technical support and other	173.2		140.3
Total service revenue	384.6		309.9
Total revenue	$	576.9	$	472.6