Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
Operating Cash Flows:
Net income (loss)	$ 26,052	$ (22,015)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization of property, plant, and equipment	24,137	23,169
Amortization of intangible assets and debt costs	17,200	19,872
Dividends received from unconsolidated entities, net of equity in income (loss)	3,480	1,110
Loss on debt extinguishment	3,518
Write-off of debt discount and debt issuance costs	8,010
Stock-based compensation	16,623	16,591
Deferred income taxes	177	(3,462)
Changes in other long-term liabilities	(3,575)	(3,120)
Gain on conversion of equity method investment to controlling interest	(1,519)
Other	(18)	252
Changes in operating assets and liabilities, net of effect of acquired businesses:
Trade accounts receivable, net	60,828	541
Prepaid expenses and other	(6,612)	(2,439)
Term receivables, long-term	(35,712)	18,596
Accounts payable and accrued liabilities	(54,535)	(19,811)
Income taxes payable	(12,380)	(1,332)
Deferred revenue	(10,482)	(20,857)
Net cash provided by operating activities	35,192	7,095
Investing Cash Flows:
Increase in restricted cash		(999)
Purchases of property, plant, and equipment	(25,062)	(36,769)
Acquisitions of businesses and equity interests, net of cash acquired	(1,169)	(13,204)
Net cash used in investing activities	(26,231)	(50,972)
Financing Cash Flows:
Proceeds from issuance of common stock	23,391	15,632
Repurchase of common stock	(69,996)
Net decrease in short-term borrowings	(8,336)	(6,247)
Debt and equity issuance costs	(8,929)	(971)
Proceeds from notes payable and revolving credit facility	253,000	80,225
Repayments of notes payable and revolving credit facility	(219,919)	(81,763)
Net cash provided by (used in) financing activities	(30,789)	6,876
Effect of exchange rate changes on cash and cash equivalents	704	1,948
Net change in cash and cash equivalents	(21,124)	(35,053)
Cash and cash equivalents at the beginning of the period	133,113	99,340
Cash and cash equivalents at the end of the period	$ 111,989	$ 64,287