Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
OPERATING ACTIVITIES:
Net (loss) income	$ 7,523	$ 25,578
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,201	12,538
Change in fair value of acquisition-related contingent consideration	(930)	514
Goodwill impairment loss	7,413	0
Loss from equity investment	126	138
Deferred income taxes	(4,765)	(2,420)
Share-based compensation expense	1,826	3,336
Change in operating assets and liabilities:
Accounts receivable	16,144	2,108
Inventories	4,832	2,768
Other assets	228	(555)
Operating liabilities	(12,012)	1,623
Other operating activities, net	1,595	67
Net cash provided by operating activities	35,181	45,695
INVESTING ACTIVITIES:
Capital expenditures	(10,771)	(12,797)
Proceeds (payments) related to business acquisitions	351	(4,711)
Proceeds from sale of short-term investments	0	250
Purchase of short-term investments	0	250
Proceeds from sale of assets	1,960	0
Other investing activities	(506)	(604)
Net cash used in investing activities	(8,966)	(18,112)
FINANCING ACTIVITIES:
Dividends paid	(14,648)	(13,572)
Payments for common shares repurchased	(29,338)	0
Payments of acquisition-related debt	0	(648)
Payments of acquisition-related contingent liability	(773)	(491)
Debt issuance costs paid	(548)	0
Restricted stock units vested and issued	(458)	0
Employee stock option exercises net of tax benefit	(85)	665
Other financing activities, net	(15)	0
Net cash used in financing activities	(45,865)	(14,046)
Effect of exchange rate changes on cash	(12)	(166)
Net (decrease) increase in cash and cash equivalents	(19,662)	13,371
Cash and cash equivalents at beginning of year	51,949	52,987
Cash and cash equivalents at end of period	$ 32,287	$ 66,358