CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue:
Software license	$ 58,948	$ 48,292	$ 180,420	$ 154,918
Maintenance	52,285	47,281	150,366	137,555
Services	51,170	42,058	147,554	128,607
Total revenue	162,403	137,631	478,340	421,080
Cost of revenue:
Software license	1,000	1,076	3,106	3,832
Maintenance	5,644	5,385	16,300	15,093
Services	48,797	39,921	140,875	120,061
Total cost of revenue	55,441	46,382	160,281	138,986
Gross profit	106,962	91,249	318,059	282,094
Operating expenses:
Selling and marketing	53,640	48,623	169,764	150,772
Research and development	33,032	28,558	94,248	80,490
General and administrative	9,579	8,825	26,138	28,377
Acquisition-related		54	39	417
Restructuring		192		192
Total operating expenses	96,251	86,252	290,189	260,248
Income from operations	10,711	4,997	27,870	21,846
Foreign currency transaction loss	(412)	(2,845)	(4,342)	(2,527)
Interest income, net	278	181	807	468
Other (expense) income, net	(331)	19	(328)	(507)
Income (loss) before provision (benefit) for income taxes	10,246	2,352	24,007	19,280
Provision for income taxes	3,921	470	8,643	6,129
Net income	$ 6,325	$ 1,882	$ 15,364	$ 13,151
Earnings per share:
Basic	$ 0.08	$ 0.02	$ 0.20	$ 0.17
Diluted	$ 0.08	$ 0.02	$ 0.19	$ 0.17
Weighted-average number of common shares outstanding:
Basic	76,534	76,351	76,521	76,312
Diluted	79,174	78,653	78,906	78,531
Cash dividends declared per share	$ 0.030	$ 0.030	$ 0.090	$ 0.075