Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	3 Months Ended
	Apr. 30, 2011	Apr. 30, 2010
Operating Cash Flows:
Net loss	$ (2,353)	$ (23,025)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization of property, plant, and equipment	7,750	7,837
Amortization of intangible assets and debt costs	6,651	6,421
Equity in (income) losses of unconsolidated entities, net of dividends received	(2)	86
Loss on debt extinguishment	3,518
Write-off of debt discount and debt issuance costs	8,010	132
Stock-based compensation	5,680	6,581
Deferred income taxes	(563)	(1,505)
Changes in other long-term liabilities	(1,506)	(543)
Other	28	96
Changes in operating assets and liabilities, net of effect of acquired businesses:
Trade accounts receivable, net	36,157	31,959
Prepaid expenses and other	(3,259)	(659)
Term receivables, long-term	(6,930)	23,697
Accounts payable and accrued liabilities	(61,698)	(38,629)
Income taxes payable	(4,016)	367
Deferred revenue	3,271	14,833
Net cash (used in) provided by operating activities	(9,262)	27,648
Investing Cash Flows:
Purchases of property, plant, and equipment	(6,345)	(7,608)
Acquisitions of businesses and equity interests, net of cash acquired	(2,036)	(9,787)
Net cash used in investing activities	(8,381)	(17,395)
Financing Cash Flows:
Proceeds from issuance of common stock	7,368	2,167
Repurchase of common stock	(24,997)
Net decrease in short-term borrowings	(6,624)	(11,091)
Debt and equity issuance costs	(8,575)	(631)
Proceeds from notes payable and revolving credit facility	253,000	50,000
Repayments of notes payable and revolving credit facility	(219,919)	(50,000)
Net cash provided by (used in) financing activities	253	(9,555)
Effect of exchange rate changes on cash and cash equivalents	758	(309)
Net change in cash and cash equivalents	(16,632)	389
Cash and cash equivalents at the beginning of the period	133,113	99,340
Cash and cash equivalents at the end of the period	$ 116,481	$ 99,729