Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
Cash flows from operating activities:
Net income (loss)	$ 2,906	$ (8,371)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization of acquired technology and other intangibles	33,441	55,236
Deferred income taxes	(12,205)	(20,112)
Loss on early extinguishment of debt		243
Interest paid in excess of interest accrued	(3,004)	(4,109)
Fair market value adjustment on the interest rate swap		(1,616)
Amortization and write off of debt issuance costs	2,528	1,415
Stock-based compensation	888	2,852
Restructuring, acquisition and other charges		(380)
Goodwill impairment		1,433
Changes in operating assets and liabilities:
Accounts receivable	(2,008)	609
Prepaid expenses and other assets	258	(585)
Accounts payable	(944)	290
Income taxes payable	(1,218)	304
Accrued expenses and other liabilities	(4,357)	(5,444)
Deferred revenue	(15,271)	(18,896)
Net cash provided by operating activities	1,014	2,869
Cash flows used in investing activities:
Capital expenditures	(3,077)	(1,837)
Capital expenditures for internal use software	(305)	(349)
Net cash used in investing activities	(3,382)	(2,186)
Cash flows used in financing activities:
Amend and extend transaction fees	(1,958)
Common stock repurchased under stock repurchase plans and other plans		(347)
Repurchase of option rights under employee stock option plan	(2)	(63)
Exercise of stock options under employee stock option plan	4	24
Principal payments and early extinguishments under the term credit facility and senior subordinated notes	(42,500)	(40,930)
Net cash used in financing activities	(44,456)	(41,316)
Effect of exchange rate changes on cash and cash equivalents	(450)	(651)
Net decrease in cash and cash equivalents	(47,274)	(41,284)
Cash and cash equivalents at beginning of period	126,374	124,996
Cash and cash equivalents at end of period	79,100	83,712
Supplemental disclosures of cash flow information:
Income taxes paid, net of refunds	14,161	7,292
Interest expense paid	$ 22,185	$ 23,127