Deferred Revenue and Advance Payments (Tables)

6 Months Ended

Jun. 30, 2015

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


	June 30, 2015			December 31, 2014
Current:
Deferred product licenses revenue	$	12,525		$	10,927
Deferred subscription services revenue		12,362			16,018
Deferred product support revenue		146,194			168,833
Deferred other services revenue		6,737			10,564

Gross current deferred revenue and advance payments		177,818			206,342
Less: unpaid deferred revenue		(58,045	)		(97,929	)

Net current deferred revenue and advance payments	$	119,773		$	108,413


Non-current:
Deferred product licenses revenue	$	6,714		$	8,012
Deferred subscription services revenue		463			750
Deferred product support revenue		8,147			7,505
Deferred other services revenue		1,537			1,047

Gross non-current deferred revenue and advance payments		16,861			17,314
Less: unpaid deferred revenue		(6,552	)		(6,496	)

Net non-current deferred revenue and advance payments	$	10,309		$	10,818