Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2016	Jul. 31, 2015
Operating Cash Flows:
Net income (loss)	$ (9,999)	$ 20,107
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation of property, plant, and equipment	18,936	17,721
Amortization of intangible assets, debt costs and other	10,898	12,439
Stock-based compensation	22,427	20,864
Deferred income taxes	1,838	2,350
Changes in other long-term liabilities	(982)	(1,874)
Equity in income of unconsolidated entities, net of dividends received	868	740
Other	40	(713)
Changes in operating assets and liabilities, net of effect of acquired businesses:
Trade accounts receivable, net	109,747	101,651
Prepaid expenses and other	(9,094)	(6,302)
Term receivables, long-term	42,781	35,138
Accounts payable and accrued liabilities	(39,529)	(66,818)
Income taxes receivable and payable	(4,418)	(5,082)
Deferred revenue	(14,007)	(35,409)
Net cash provided by operating activities	129,506	94,812
Investing Cash Flows:
Proceeds from sale of buildings	0	2,068
Purchases of property, plant, and equipment	(25,617)	(17,036)
Acquisitions of businesses and equity interests, net	(4,959)	(7,200)
Net cash used in investing activities	(30,576)	(22,168)
Financing Cash Flows:
Proceeds from issuance of common stock	17,312	19,347
Repurchase of common stock	(146,050)	0
Payments Related to Tax Withholding for Share-based Compensation	(5)	(5)
Dividends paid	(11,766)	(12,772)
Net decrease in short-term borrowing	(3,810)	(6,232)
Repayments of revolving credit facility	(25,000)	0
Repayments of other borrowings	(1,489)	(6,925)
Net cash used in financing activities	(170,808)	(6,587)
Effect of exchange rate changes on cash and cash equivalents	2,848	(891)
Net change in cash and cash equivalents	(69,030)	65,166
Cash and cash equivalents at the beginning of the period	334,826	230,281
Cash and cash equivalents at the end of the period	$ 265,796	$ 295,447