Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2016	Oct. 31, 2015
Operating Cash Flows:
Net income	$ 31,763	$ 33,996
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property, plant, and equipment	29,107	26,999
Amortization of intangible assets, debt costs and other	16,362	18,926
Stock-based compensation	33,518	30,889
Deferred income taxes	3,977	(1,352)
Changes in other long-term liabilities	556	(1,016)
Equity in income of unconsolidated entities, net of dividends received	1,370	157
Other	106	(702)
Changes in operating assets and liabilities, net of effect of acquired businesses:
Trade accounts receivable, net	63,228	97,037
Prepaid expenses and other	(1,349)	(10,722)
Term receivables, long-term	17,049	17,059
Accounts payable and accrued liabilities	(19,101)	(41,728)
Income taxes receivable and payable	(3,526)	2,746
Deferred revenue	(29,354)	(50,013)
Net cash provided by operating activities	143,706	122,276
Investing Cash Flows:
Proceeds from sale of building	0	2,068
Purchases of property, plant, and equipment	(43,585)	(28,337)
Acquisitions of businesses and equity interests, net	(11,759)	(11,700)
Net cash used in investing activities	(55,344)	(37,969)
Financing Cash Flows:
Proceeds from issuance of common stock	18,186	21,294
Repurchase of common stock	(146,050)	(10,000)
Payments related to tax withholding on vesting of share based awards	(4,117)	(2,430)
Dividends paid	(17,782)	(19,263)
Net decrease in short-term borrowing, excluding revolving credit facility	(7,079)	(5,875)
Repayments of revolving credit facility	(5,000)	0
Repayments of other borrowings	(1,475)	(7,225)
Purchase of remaining noncontrolling interest in majority owned subsidiaries	0	(11,088)
Proceeds for the sale of subsidiary shares to noncontrolling interest	0	7
Net cash used in financing activities	(163,317)	(34,580)
Effect of exchange rate changes on cash and cash equivalents	2,891	(1,007)
Net change in cash and cash equivalents	(72,064)	48,720
Cash and cash equivalents at the beginning of the period	334,826	230,281
Cash and cash equivalents at the end of the period	$ 262,762	$ 279,001