Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating activities
Net income	$ 61,390	$ 74,654
Adjustments to reconcile net income to cash used in operating activities:
Depreciation and amortization	35,330	30,088
Bad debt expense	1,118	3,332
Cash distributions in excess of income of unconsolidated affiliates	8,984	(13,669)
Gains on sales of railcars and related leases	(22,260)	(7,664)
Excess tax benefit from share-based payment arrangement	(39)	(35)
Deferred income taxes	6,893	1,662
Stock based compensation expense	3,303	2,758
Other	(106)	(1)
Changes in operating assets and liabilities:
Accounts and notes receivable	(31,522)	(8,661)
Inventories	91,035	188,649
Commodity derivatives	(60,286)	118,494
Other assets	(4,211)	(9,820)
Accounts payable for grain	(141,839)	(196,783)
Other accounts payable and accrued expenses	13,483	39,011
Net cash (used in) provided by operating activities	(38,727)	222,015
Investing Activities
Purchase of treasury bills	(19,996)	0
Proceeds from redemption of investment	19,998	0
Acquisition of business	(92,686)	0
Purchases of railcars	(102,853)	(38,439)
Proceeds from sale of railcars	57,315	19,840
Purchases of property, plant and equipment	(51,682)	(29,606)
Proceeds from sale of property, plant and equipment	817	832
Payments to Acquire Interest in Subsidiaries and Affiliates	0	(100)
Change in restricted cash	18,491	214
Net cash used in investing activities	(170,596)	(47,259)
Financing Activities
Net change in short-term borrowings	204,022	(136,100)
Proceeds from issuance of long-term debt	125,076	45,713
Payments of long-term debt	(58,820)	(66,163)
Proceeds from minority investor	6,100	0
Proceeds from sale of treasury shares to employees and directors	1,366	730
Payment of debt issuance costs	(110)	(815)
Purchase of treasury stock	0	(2,747)
Dividends paid	(8,370)	(6,118)
Excess tax benefit from share-based payment arrangement	39	35
Net cash provided by (used in) financing activities	269,303	(165,465)
Increase (decrease) in cash and cash equivalents	59,980	9,291
Cash and cash equivalents at beginning of period	20,390	29,219
Cash and cash equivalents at end of period	80,370	38,510
Supplemental disclosure of cash flow information
Capital expenditures incurred but not yet paid	2,635	0
Purchase of a productive asset through seller-financing	$ 6,102	$ 0