Deferred Revenue and Advance Payments (Tables)

9 Months Ended

Sep. 30, 2015

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


	September 30, 2015			December 31, 2014
Current:
Deferred product licenses revenue	$	13,155		$	10,927
Deferred subscription services revenue		11,172			16,018
Deferred product support revenue		135,999			168,833
Deferred other services revenue		6,794			10,564

Gross current deferred revenue and advance payments		167,120			206,342
Less: unpaid deferred revenue		(51,616	)		(97,929	)

Net current deferred revenue and advance payments	$	115,504		$	108,413


Non-current:
Deferred product licenses revenue	$	6,344		$	8,012
Deferred subscription services revenue		808			750
Deferred product support revenue		6,962			7,505
Deferred other services revenue		1,166			1,047

Gross non-current deferred revenue and advance payments		15,280			17,314
Less: unpaid deferred revenue		(4,983	)		(6,496	)

Net non-current deferred revenue and advance payments	$	10,297		$	10,818