Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 31, 2012	Jan. 31, 2011
ASSETS
Cash and cash equivalents	$ 515,637	$ 581,390
Restricted cash and bank time deposits	41,756	73,117
Auction rate securities	272	72,441
Accounts receivable, net of allowance of $12,202 and $13,237, respectively	290,599	319,628
Inventories, net	44,405	66,612
Deferred cost of revenue	47,203	51,470
Deferred income taxes	23,555	39,644
Prepaid expenses and other current assets	100,799	91,760
Total current assets	1,064,226	1,296,062
Property and equipment, net	75,713	66,843
Goodwill	1,060,160	967,224
Intangible assets, net	206,907	196,460
Deferred cost of revenue	121,392	158,703
Deferred income taxes	19,321	20,766
Other assets	101,455	107,864
Total assets	2,649,174	2,813,922
LIABILITIES AND EQUITY
Accounts payable and accrued expenses	383,831	401,940
Convertible debt obligations	2,195	2,195
Deferred revenue	522,575	559,873
Deferred income taxes	9,798	13,661
Bank loans	6,228	6,000
Litigation settlements	0	146,150
Income taxes payable	8,820	11,486
Other current liabilities	41,950	50,280
Total current liabilities	975,397	1,191,585
Bank loans	591,151	583,234
Deferred revenue	230,668	270,934
Deferred income taxes	85,015	52,953
Other long-term liabilities	214,191	229,329
Total liabilities	2,096,422	2,328,035
Equity:
Common stock, $0.10 par value - authorized, 600,000,000 shares; issued 219,708,779 and 204,937,882 shares, respectively; outstanding, 218,636,842 and 204,533,916 shares, respectively	21,971	20,494
Treasury stock, at cost, 1,071,937 and 403,966 shares, respectively	(8,011)	(3,484)
Additional paid-in capital	2,198,086	2,088,717
Accumulated deficit	(1,766,364)	(1,707,638)
Accumulated other comprehensive income	(4,174)	14,919
Total Comverse Technology, Inc. shareholders' equity	441,508	413,008
Noncontrolling interest	111,244	72,879
Total equity	552,752	485,887
Total liabilities and equity	$ 2,649,174	$ 2,813,922