Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2016	Apr. 30, 2015
OPERATING ACTIVITIES:
Net income	$ 5,519	$ 4,861
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,762	4,363
Change in fair value of acquisition-related contingent consideration	63	212
Loss (gain) from equity investment	3	(2)
Deferred income taxes	1,651	110
Share-based compensation expense	456	752
Change in operating assets and liabilities:
Accounts receivable	(2,648)	10,756
Inventories	(980)	(4,496)
Other assets	(1,071)	(3,218)
Operating liabilities	4,427	(4,105)
Other operating activities, net	(78)	(210)
Net cash provided by operating activities	11,104	9,023
INVESTING ACTIVITIES:
Capital expenditures	(791)	(5,000)
Proceeds related to business acquisitions	0	351
Purchases of investments	(500)	0
Proceeds from sale of assets	50	380
Other investing activities	(194)	(164)
Net cash used in investing activities	(1,435)	(4,433)
FINANCING ACTIVITIES:
Dividends paid	(4,701)	(4,940)
Payments for common shares repurchased	(5,702)	(2,563)
Payments of acquisition-related contingent liability	(138)	(614)
Debt issuance costs paid	0	(454)
Restricted stock units vested and issued	(256)	(458)
Other financing activities, net	0	(15)
Net cash used in financing activities	(10,797)	(9,044)
Effect of exchange rate changes on cash	136	(43)
Net (decrease) increase in cash and cash equivalents	(992)	(4,497)
Cash and cash equivalents at beginning of year	33,782	51,949
Cash and cash equivalents at end of period	$ 32,790	$ 47,452