Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jul. 31, 2010	Jul. 31, 2009	Jul. 31, 2010	Jul. 31, 2009
Revenue:
Product revenue	$ 184,576	$ 143,443	$ 348,531	$ 319,843
Service revenue	225,666	231,275	418,599	443,123
Total revenue	410,242	374,718	767,130	762,966
Costs and expenses:
Product costs	74,257	56,512	140,637	125,676
Service costs	113,601	112,014	223,825	224,384
Selling, general and administrative	171,257	173,620	362,380	328,701
Research and development, net	63,307	67,002	130,204	133,094
Other operating (income) expenses:
Litigation settlements	(150)		(150)
Restructuring charges	1,020	1,652	6,976	13,432
Total costs and expenses	423,292	410,800	863,872	825,287
Loss from operations	(13,050)	(36,082)	(96,742)	(62,321)
Interest income	1,008	2,094	2,002	4,649
Interest expense	(6,053)	(7,203)	(12,221)	(14,093)
Other income (expense), net	3,938	(7,370)	5,615	(13,573)
Loss before income tax provision	(14,157)	(48,561)	(101,346)	(85,338)
Income tax provision	(2,604)	(12,630)	(2,226)	(24,264)
Net loss from continuing operations	(16,761)	(61,191)	(103,572)	(109,602)
(Loss) income from discontinued operations, net of tax	(1,413)	18,531	(3,053)	34,654
Net loss	(18,174)	(42,660)	(106,625)	(74,948)
Less: Net (income) loss attributable to noncontrolling interest	(5,999)	(895)	577	(10,106)
Net loss attributable to Comverse Technology, Inc.	(24,173)	(43,555)	(106,048)	(85,054)
Weighted average common shares outstanding:
Basic and Diluted	205,248,892	204,532,916	205,068,754	204,420,744
Basic and Diluted (loss) earnings per share
Continuing operations	$ (0.12)	$ (0.30)	$ (0.51)	$ (0.59)
Discontinued operations	$ 0.00	$ 0.09	$ (0.01)	$ 0.17
Basic and Diluted loss per share	$ (0.12)	$ (0.21)	$ (0.52)	$ (0.42)
Net loss attributable to Comverse Technology, Inc.
Net loss from continuing operations	(23,173)	(62,252)	(103,824)	(120,167)
(Loss) from discontinued operations, net of tax	(1,000)	18,697	(2,224)	35,113
Net loss attributable to Comverse Technology, Inc.	$ (24,173)	$ (43,555)	$ (106,048)	$ (85,054)