Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 31, 2014	Oct. 31, 2013
Operating Cash Flows:
Net income	$ 31,303	$ 48,451
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property, plant, and equipment	25,683	26,104
Amortization of intangible assets, debt costs and other	17,581	13,303
Stock-based compensation	26,391	21,269
Deferred income taxes	1,208	4,121
Changes in other long-term liabilities	973	(3,405)
Dividends received from unconsolidated entities, net of equity in income (loss)	(103)	1,136
Other	80	(15)
Changes in operating assets and liabilities, net of effect of acquired businesses:
Trade accounts receivable, net	44,977	42,210
Prepaid expenses and other	(10,533)	(11,087)
Term receivables, long-term	15,679	8,621
Accounts payable and accrued liabilities	(53,136)	(39,787)
Income taxes payable	(4,428)	(6,190)
Deferred revenue	(38,597)	(40,705)
Net cash provided by operating activities	57,078	64,026
Investing Cash Flows:
Proceeds from sales and maturities of short-term investments	4,124	3,112
Purchases of short-term investments	0	(7,820)
Purchases of property, plant, and equipment	(21,872)	(21,366)
Acquisitions of businesses, equity interests and other intangible assets, net of cash acquired	(78,600)	(6,408)
Net cash used in investing activities	(96,348)	(32,482)
Financing Cash Flows:
Proceeds from issuance of common stock	17,409	37,801
Repurchase of common stock	(70,053)	(49,995)
Dividends paid	(17,168)	(15,239)
Net decrease in short-term borrowing	(8,243)	(3,990)
Repayments of other borrowings	(2,011)	(2,712)
Net repurchase of subsidiary shares from non-controlling interest	(121)	0
Net cash used in financing activities	(80,187)	(34,135)
Effect of exchange rate changes on cash and cash equivalents	(1,257)	(1,285)
Net change in cash and cash equivalents	(120,714)	(3,876)
Cash and cash equivalents at the beginning of the period	293,322	223,783
Cash and cash equivalents at the end of the period	$ 172,608	$ 219,907