Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 30, 2014	Apr. 30, 2013
Operating Cash Flows:
Net loss	$ (3,025)	$ (419)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation of property, plant, and equipment	8,550	8,790
Amortization of intangible assets and debt costs	5,187	4,554
Stock-based compensation	8,129	6,566
Deferred income taxes	1,002	5,104
Changes in other long-term liabilities	(2,570)	(1,890)
Dividends received from unconsolidated entities, net of equity in income (loss)	(67)	1,052
Other	28	(22)
Changes in operating assets and liabilities, net of effect of acquired businesses:
Trade accounts receivable, net	41,944	42,176
Prepaid expenses and other	(5,707)	(14,813)
Term receivables, long-term	8,558	20,266
Accounts payable and accrued liabilities	(58,474)	(54,472)
Income taxes receivable and payable	(3,297)	(4,792)
Deferred revenue	(11,219)	27
Net cash (used in) provided by operating activities	(10,961)	12,127
Investing Cash Flows:
Proceeds from sales and maturities of short-term investments	4,124	0
Purchases of short-term investments	0	(7,820)
Purchases of property, plant, and equipment	(6,170)	(4,410)
Acquisitions of businesses and equity interests, net of cash acquired	(45,534)	(2,928)
Net cash used in investing activities	(47,580)	(15,158)
Financing Cash Flows:
Proceeds from issuance of common stock	1,227	9,609
Repurchase of common stock	(45,053)	(19,995)
Dividends paid	(5,778)	(5,064)
Net decrease in short-term borrowings	(8,238)	(4,827)
Repayments of other borrowings	(1,691)	(1,131)
Proceeds from Noncontrolling Interests	240	0
Net cash used in financing activities	(59,293)	(21,408)
Effect of exchange rate changes on cash and cash equivalents	337	(964)
Net change in cash and cash equivalents	(117,497)	(25,403)
Cash and cash equivalents at the beginning of the period	293,322	223,783
Cash and cash equivalents at the end of the period	$ 175,825	$ 198,380