Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenue:
Software license	$ 34,645	$ 28,200	$ 68,107	$ 58,543
Maintenance	28,294	20,388	55,742	35,474
Professional services	40,579	33,658	82,029	63,313
Total revenue	103,518	82,246	205,878	157,330
Cost of revenue:
Cost of software license	1,631	1,109	3,305	1,140
Cost of maintenance	3,260	2,715	6,634	4,652
Cost of professional services	35,506	27,436	70,474	51,904
Total cost of revenue	40,397	31,260	80,413	57,696
Gross profit	63,121	50,986	125,465	99,634
Operating expenses:
Selling and marketing	37,208	29,896	71,244	51,789
Research and development	15,696	14,010	30,829	25,636
General and administrative	6,839	6,745	13,971	11,804
Acquisition-related costs	144	3,395	482	4,903
Restructuring costs		6,080	141	6,080
Total operating expenses	59,887	60,126	116,667	100,212
Income (loss) from operations	3,234	(9,140)	8,798	(578)
Foreign currency transaction gain (loss)	173	(2,542)	1,189	(5,616)
Interest income, net	91	171	177	736
Other (expense) income, net	(167)	1	(139)	242
Income (loss) before provision (benefit) for income taxes	3,331	(11,510)	10,025	(5,216)
Provision (benefit) for income taxes	1,058	(3,322)	3,021	(879)
Net income (loss)	$ 2,273	$ (8,188)	$ 7,004	$ (4,337)
Net earnings (loss) per share:
Basic	$ 0.06	$ (0.22)	$ 0.19	$ (0.12)
Diluted	$ 0.06	$ (0.22)	$ 0.18	$ (0.12)
Weighted-average number of common shares outstanding
Basic	37,405	37,054	37,341	36,966
Diluted	38,851	37,054	38,828	36,966
Cash dividends declared per share	$ 0.03	$ 0.03	$ 0.06	$ 0.06