Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 30, 2013	Apr. 30, 2012
Cash flows from operating activities:
Net income including noncontrolling interests	$ 8,179	$ 6,761
Adjustments to reconcile net income to net cash (used in) operating activities:
Depreciation and amortization	2,756	3,051
Transactional losses	240
Write-down of inventories	240	313
Deferred income taxes	140	46
Stock-based compensation	572	481
Excess tax benefit from stock-based compensation	(350)
Gain on sale of an asset held for sale	(1,526)
Changes in assets and liabilities:
Trade receivables	(5,805)	(681)
Inventories	(10,145)	(7,257)
Other current assets	(686)	(2,699)
Accounts payable	2,555	(10,148)
Accrued liabilities	(14,726)	(14,526)
Income taxes payable	1,503	476
Other non-current assets	(1,828)	(1,419)
Other non-current liabilities	1,101	1,209
Net cash (used in) operating activities	(17,780)	(24,393)
Cash flows from investing activities:
Capital expenditures	(6,469)	(837)
Trademarks	(86)
Proceeds from sale of an asset held for sale	2,196
Net cash (used in) investing activities	(4,359)	(837)
Cash flows from financing activities:
Stock options exercised and other changes	(953)	450
Excess tax benefit from stock-based compensation	350
Dividends paid	(1,272)	(1,256)
Stock repurchase	(467)
Net cash (used in) financing activities	(2,342)	(806)
Effect of exchange rate changes on cash and cash equivalents	(1,924)	2,585
Net (decrease) in cash and cash equivalents	(26,405)	(23,451)
Cash and cash equivalents at beginning of period	167,889	182,201
Cash and cash equivalents at end of period	$ 141,484	$ 158,750