Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 30, 2015	Apr. 30, 2014
OPERATING ACTIVITIES:
Net income	$ 4,861us-gaap_ProfitLoss	$ 11,034us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,363	4,115
Change in fair value of acquisition-related contingent consideration	212	155
(Income) Loss from equity investment	(2)	19
Deferred income taxes	110us-gaap_DeferredIncomeTaxExpenseBenefit	(1,046)us-gaap_DeferredIncomeTaxExpenseBenefit
Share-based compensation expense	752us-gaap_ShareBasedCompensation	991us-gaap_ShareBasedCompensation
Change in operating assets and liabilities:
Accounts receivable	10,756	(579)
Inventories	(4,496)us-gaap_IncreaseDecreaseInInventories	(188)us-gaap_IncreaseDecreaseInInventories
Other assets	(3,218)	(1,947)
Operating liabilities	(4,105)	5,613
Other operating activities, net	(210)	11
Net cash provided by operating activities	9,023	18,178
INVESTING ACTIVITIES:
Capital expenditures	(5,000)	(2,900)
Receipts related to business acquisitions	351us-gaap_ProceedsFromPreviousAcquisition	0us-gaap_ProceedsFromPreviousAcquisition
Other investing activities, net	216	(112)
Net cash used in investing activities	(4,433)	(3,012)
FINANCING ACTIVITIES:
Dividends paid	(4,940)us-gaap_PaymentsOfOrdinaryDividends	(4,371)us-gaap_PaymentsOfOrdinaryDividends
Payments for common shares repurchased	(2,563)	0
Payments of acquisition-related contingent liability	(614)	(454)
Debt issuance costs paid	(454)us-gaap_PaymentsOfDebtIssuanceCosts	0us-gaap_PaymentsOfDebtIssuanceCosts
Restricted stock units vested and issued	(458)	0
Employee stock option exercises net of tax benefit	0	30
Other financing activities, net	(15)	0
Net cash used in financing activities	(9,044)	(4,795)
Effect of exchange rate changes on cash	(43)	44
Net (decrease) increase in cash and cash equivalents	(4,497)	10,415
Cash and cash equivalents at beginning of year	51,949	52,987
Cash and cash equivalents at end of period	$ 47,452	$ 63,402

Business Combination Adjustments To Fair Value of Consideration Liability based on the expected discounted cash flows

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