Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended			3 Months Ended							12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Sep. 30, 2011 As Restated [Member]	Jun. 30, 2011 As Restated [Member]	Mar. 31, 2011 As Restated [Member]	Dec. 31, 2010 As Restated [Member]	Sep. 30, 2010 As Restated [Member]	Jun. 30, 2010 As Restated [Member]	Mar. 31, 2010 As Restated [Member]	Dec. 31, 2010 As Restated [Member]		Dec. 31, 2009 As Restated [Member]
REVENUES:
Software licenses		$ 140,217										$ 91,490	[1]	$ 91,789	[1]
Subscriptions and other recurring revenues		16,763										21,143	[1]	3,873	[1]
Maintenance services		265,785										245,777	[1]	179,256	[1]
Product revenues		422,765										358,410	[1]	274,918	[1]
Consulting services		245,046										215,470	[1]	105,990	[1]
Reimbursed expenses		23,432										19,862	[1]	10,060	[1]
Service revenues		268,478										235,332	[1]	116,050	[1]
Total revenues	185,104	691,243			173,099	165,522	167,518	162,909	155,984	148,567	126,282	593,742	[1]	390,968	[1]
COST OF REVENUES:
Cost of software licenses		4,158										4,256	[1]	3,241	[1]
Amortization of acquired software technology		7,095										7,047	[1]	3,920	[1]
Cost of maintenance services		55,891										52,538	[1]	43,106	[1]
Cost of product revenues		67,144										63,841	[1]	50,267	[1]
Cost of consulting services		180,977										171,043	[1]	85,098	[1]
Reimbursed expenses		23,432										19,862	[1]	10,060	[1]
Cost of service revenues		204,409										190,905	[1]	95,158	[1]
Total cost of revenues		271,553										254,746	[1]	145,425	[1]
Gross Profit	119,739	419,690			106,172	94,051	99,728	94,948	88,054	83,920	72,074	338,996	[1]	245,543	[1]
OPERATING EXPENSES:
Product development		76,898										72,723	[1]	51,215	[1]
Sales and marketing		104,128										91,341	[1]	65,989	[1]
General and administrative		72,493										72,112	[1]	47,580	[1]
Amortization of intangibles		38,421										38,415	[1]	23,633	[1]
Restructuring charges		1,922	20,931	6,865								20,931	[1]	6,865	[1]
Acquisition-related costs		0										8,115	[1]	4,768	[1]
Litigation provision and settlements, net		1,500										14,000	[1]	0	[1]
Total operating expenses		295,362										317,637	[1]	200,050	[1]
OPERATING INCOME	(7,477)	124,328			(35,524)	(23,050)	(58,277)	(5,830)	(18,385)	(5,678)	8,534	21,359	[1]	45,493	[1]
Interest expense and amortization of loan fees		25,500										24,758	[1]	2,712	[1]
Finance costs on abandoned acquisition		0										0	[1]	(767)	[1]
Interest income and other, net		(3,791)										(1,478)	[1]	(1,213)	[1]
Income (Loss) Before Income Taxes		102,619										(1,921)	[1]	44,761	[1]
Income tax provision (benefit)		19,931										(4,062)	[1]	17,186	[1]
NET INCOME		82,688	2,141	27,575								2,141	[1]	27,575	[1]
Consideration paid in excess of carrying value on the repurchase of redeemable preferred stock		0		(8,593)								0	[1]	(8,593)	[1]
Income Applicable to Common Shareholders	$ (3,575)	$ 82,688			$ (18,287)	$ (12,713)	$ (48,113)	$ (3,999)	$ (8,863)	$ 431	$ 10,290	$ 2,141	[1]	$ 18,982	[1]
Earnings Per Share Applicable to Common Shareholders
Basic net income per common share (price per share)	$ 0.08	$ 1.95			$ 0.43	$ 0.30	$ 1.14	$ 0.10	$ 0.21	$ (0.01)	$ (0.26)	$ 0.05	[1]	$ 0.54	[1]
Diluted net income per common share (price per share)	$ 0.08	$ 1.93			$ 0.43	$ 0.30	$ 1.13	$ 0.09	$ 0.21	$ (0.01)	$ (0.26)	$ 0.05	[1]	$ 0.54	[1]
Shares used in computing basic net income per common share		42,412										41,173	[1]	34,936	[1]
Shares used in computing diluted net income per common share		42,761										41,710	[1]	35,258	[1]

[1] As restated - See Note 23 “Restatement of Previously Issued Financial Statements” of Notes to Consolidated Financial Statements.