Condensed Consolidated Statements of Operations (USD $) In Thousands, except Share data	3 Months Ended
	Apr. 30, 2011	Apr. 30, 2010
Revenue:
Product revenue	$ 142,035	$ 163,955
Service revenue	207,462	192,933
Total revenue	349,497	356,888
Costs and expenses:
Product costs	54,611	66,380
Service costs	111,437	110,224
Selling, general and administrative	151,347	191,123
Research and development, net	54,439	66,897
Other operating expenses:
Restructuring charges	11,087	5,956
Total costs and expenses	382,921	440,580
Loss from operations	(33,424)	(83,692)
Interest income	1,117	994
Interest expense	(9,128)	(6,168)
Loss on extinguishment of debt	(8,136)
Other (expense) income, net	(122)	1,677
Loss before income tax (provision) benefit	(49,693)	(87,189)
Income tax (provision) benefit	(7,425)	378
Net loss from continuing operations	(57,118)	(86,811)
Loss from discontinued operations, net of tax		(1,640)
Net loss	(57,118)	(88,451)
Less: Net (income) loss attributable to noncontrolling interest	(2,077)	6,576
Net loss attributable to Comverse Technology, Inc.	(59,195)	(81,875)
Weighted average common shares outstanding:
Basic and Diluted	205,699,533	204,882,544
Basic loss per share
Continuing operations	$ (0.29)	$ (0.39)
Discontinued operations		$ (0.01)
Basic loss per share	$ (0.29)	$ (0.40)
Diluted loss per share
Continuing operations	$ (0.29)	$ (0.39)
Discontinued operations		$ (0.01)
Diluted loss per share	$ (0.29)	$ (0.40)
Net loss attributable to Comverse Technology, Inc.
Net loss from continuing operations	(59,195)	(80,651)
Loss from discontinued operations, net of tax		(1,224)
Net loss attributable to Comverse Technology, Inc.	$ (59,195)	$ (81,875)