CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenue:
Software license	$ 163,906	$ 138,807	$ 119,839
Maintenance	133,527	117,110	83,878
Professional services	164,277	160,758	132,882
Total revenue	461,710	416,675	336,599
Cost of revenue:
Cost of software license	6,339	6,693	4,303
Cost of maintenance	14,787	13,077	11,041
Cost of professional services	136,254	145,028	113,390
Total cost of revenue	157,380	164,798	128,734
Gross profit	304,330	251,877	207,865
Selling and marketing	167,263	147,457	116,230
Research and development	76,726	65,308	55,193
General and administrative	28,915	28,198	25,034
Acquisition-related costs		482	5,924
Restructuring costs		(62)	8,064
Total operating expenses	272,904	241,383	210,445
Income (loss) from operations	31,426	10,494	(2,580)
Foreign currency transaction gain (loss)	780	(935)	(5,569)
Interest income, net	419	398	1,138
Other (expense) income, net	(1,680)	856	814
Income (loss) before provision (benefit) for income taxes	30,945	10,813	(6,197)
Provision (benefit) for income taxes	9,077	705	(306)
Net income (loss)	$ 21,868	$ 10,108	$ (5,891)
Net earnings (loss) per share
Basic	$ 0.58	$ 0.27	$ (0.16)
Diluted	$ 0.56	$ 0.26	$ (0.16)
Weighted-average number of common shares outstanding
Basic	37,853	37,496	37,031
Diluted	38,859	39,404	37,031
Cash dividends declared per share	$ 0.12	$ 0.12	$ 0.12