Consolidated Condensed Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 30, 2012	Apr. 30, 2011
Cash flows from operating activities:
Net income including noncontrolling interests	$ 1,492	$ 5,556
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,021	2,733
Income from equity method investments	(442)	(5,782)
Loss (gain) on disposal of real estate and property and equipment	16	(204)
Dividends received from equity method investees	2,005	2,316
Deferred income	(590)	(1,273)
Derivative financial instruments	(336)	(732)
Deferred income tax		1,419
Changes in assets and liabilities:
Accounts receivable	(2,241)	(798)
Inventory	4,724	(4,861)
Refundable income taxes	552	8,503
Other assets	296	961
Accounts payable, trade	(996)	1,124
Other liabilities	(3,525)	160
Net cash provided by operating activities	4,976	9,122
Cash flows from investing activities:
Capital expenditures	(1,683)	(555)
Restricted investments	360
Proceeds from sale of real estate and property and equipment	478	424
Net cash used in investing activities	(845)	(131)
Cash flows from financing activities:
Payments of long-term debt	(6,813)	(2,840)
Stock options exercised	259	258
Noncontrolling interests distribution and other	(526)
Treasury stock acquired		(477)
Net cash used in financing activities	(7,080)	(3,059)
Net (decrease)increase in cash and cash equivalents	(2,949)	5,932
Cash and cash equivalents, beginning of period	75,013	91,019
Cash and cash equivalents, end of period	72,064	96,951
Non cash financing activities - Cashless exercise of stock options	$ 1,071