Deferred Revenue and Advance Payments (Tables)

6 Months Ended

Jun. 30, 2016

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


	June 30,			December 31,
	2016			2015
Current:
Deferred product licenses revenue	$	12,710		$	13,506
Deferred subscription services revenue		14,704			15,763
Deferred product support revenue		150,361			158,738
Deferred other services revenue		8,573			9,149

Gross current deferred revenue and advance payments		186,348			197,156
Less: unpaid deferred revenue		(65,186	)		(96,461	)

Net current deferred revenue and advance payments	$	121,162		$	100,695

Non-current:
Deferred product licenses revenue	$	10,655		$	5,397
Deferred subscription services revenue		1,959			2,138
Deferred product support revenue		6,796			7,607
Deferred other services revenue		666			795

Gross non-current deferred revenue and advance payments		20,076			15,937
Less: unpaid deferred revenue		(8,704	)		(6,942	)

Net non-current deferred revenue and advance payments	$	11,372		$	8,995