Deferred Revenue and Advance Payments (Tables)

3 Months Ended

Mar. 31, 2015

Deferred revenue and advance payments (in thousands) from customers consisted of the following, as of:


	March 31, 2015			December 31, 2014
Current:
Deferred product licenses revenue	$	12,946		$	10,927
Deferred subscription services revenue		15,300			16,018
Deferred product support revenue		162,875			168,833
Deferred other services revenue		7,966			10,564

Gross current deferred revenue and advance payments		199,087			206,342
Less: unpaid deferred revenue		(67,619	)		(97,929	)

Net current deferred revenue and advance payments	$	131,468		$	108,413

Non-current:
Deferred product licenses revenue	$	6,863		$	8,012
Deferred subscription services revenue		735			750
Deferred product support revenue		6,865			7,505
Deferred other services revenue		2,124			1,047

Gross non-current deferred revenue and advance payments		16,587			17,314
Less: unpaid deferred revenue		(5,221	)		(6,496	)

Net non-current deferred revenue and advance payments	$	11,366		$	10,818