Deferred Revenue (Tables)

6 Months Ended

Jun. 30, 2015

Deferred Revenue Disclosure [Abstract]

Components of Deferred Revenue

Deferred revenue consisted of the following as of:

(in thousands)	June 30, 2015		December 31, 2014
Subscriptions	$	106,988	$	98,225
Maintenance	93,467		92,823
Services	31,386		29,457
License fees and other	2,031		769
Total deferred revenue	233,872		221,274
Less: Long-term portion	8,796		8,991
Deferred revenue, current portion	$	225,076	$	212,283