Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2016	Jul. 31, 2015
OPERATING ACTIVITIES:
Net income	$ 10,013	$ 9,082
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,633	8,782
Change in fair value of acquisition-related contingent consideration	124	405
Loss from equity investment	82	73
Deferred income taxes	1,057	(1,301)
Share-based compensation expense	1,574	1,436
Change in operating assets and liabilities:
Accounts receivable	(505)	15,824
Inventories	391	(559)
Other assets	(871)	(714)
Operating liabilities	6,244	(9,090)
Other operating activities, net	(184)	(237)
Net cash provided by operating activities	25,558	23,701
INVESTING ACTIVITIES:
Capital expenditures	(2,168)	(7,333)
Proceeds related to business acquisitions	0	351
Proceeds from Sale and Maturity of Investments	250	0
Purchase of investments	(500)	0
Proceeds from sale of assets	1,117	1,542
Other investing activities	(339)	(391)
Net cash used in investing activities	(1,640)	(5,831)
FINANCING ACTIVITIES:
Dividends paid	(9,428)	(9,834)
Payments for common shares repurchased	(7,702)	(10,825)
Payments of acquisition-related contingent liability	(282)	(735)
Debt issuance costs paid	0	(548)
Restricted stock units vested and issued	(256)	(458)
Employee stock options exercised net of shares surrendered for employee taxes	0	(85)
Other financing activities	0	(15)
Net cash used in financing activities	(17,668)	(22,500)
Effect of exchange rate changes on cash	91	(17)
Net increase (decrease) in cash and cash equivalents	6,341	(4,647)
Cash and cash equivalents at beginning of year	33,782	51,949
Cash and cash equivalents at end of period	$ 40,123	$ 47,302