Deferred Revenue (Tables)

3 Months Ended

Mar. 31, 2016

Revenue Recognition [Abstract]

Schedule of Deferred Revenue

Deferred revenue consisted of the following as of the dates below (in thousands):

	As of March 31, 2016		As of December 31, 2015
Product, current	$	8,083	$	8,200
Subscription and services, current	321,012		296,969
Total deferred revenue, current	329,095		305,169
Product, non-current	3,231		3,051
Subscription and services, non-current	233,756		218,778
Total deferred revenue, non-current	236,987		221,829
Total deferred revenue	$	566,082	$	526,998