Investments, At Equity, And Advances To 50% Or Less Owned Companies	3 Months Ended
Mar. 31, 2012
Equity Method Investment, Summarized Financial Information [Abstract]
Investments, At Equity, And Advances To 50% Or Less Owned Companies	INVESTMENTS, AT EQUITY, AND ADVANCES TO 50% OR LESS OWNED COMPANIES Illinois Corn Processing. In January 2012, the Company and its partner each made a capital contribution of $0.5 million. On February 1, 2012, the Company obtained a 70% controlling interest in ICP through its acquisition of a portion of its partner’s interest for $9.1 million in cash (see Note 4). Upon the acquisition, the Company adjusted its investment in ICP to fair value resulting in the recognition of a gain of $6.0 million, net of tax, which is included in equity in earnings in 50% or less owned companies in the accompanying condensed consolidated statements of income. During the month ended January 31, 2012, the Company made net advances of $0.3 million under its revolving line of credit. Aeroleo. On March 1, 2012, the Company recorded an impairment charge of $5.9 million, net of tax, on its investment in and advances to Aeroleo. The impairment charge resulted from difficulties experienced by Aeroleo following one of its customer's cancellation of certain contracts for a number of AW139 aircraft under contract-lease from Aviation Services. Hawker Pacific. The Company's Hawker Pacific joint venture is an aviation sales and support organization and a distributor of aviation components. During the three months ended March 31, 2012, the Company advanced $3.3 million to Hawker Pacific. The advance bears interest at 10.0% per annum and matures on December 31, 2012, or earlier if a qualified refinancing occurs. As of March 31, 2012, the Company had an outstanding loan totaling $3.3 million inclusive of accrued interest. Avion Pacific Limited. Avion Pacific Limited (“Avion”) is a joint venture that distributes aircraft and aircraft-related parts in Asia. During the three months ended March 31, 2012, the Company made advances of $9.0 million to Avion and received repayments of $2.1 million. As of March 31, 2012, the Company had outstanding loans to Avion totaling $16.7 million inclusive of accrued interest. SCFCo Holdings. SCFCo Holdings LLC (“SCFCo”) was established to operate towboats and dry cargo barges on the Parana-Paraguay Rivers and a terminal facility at Port Ibicuy, Argentina. At various times, SCFCo has agreed to expand its operations through additional capital contributions and bank financing. During the three months ended March 31, 2012, the Company and its partner each contributed additional capital of $0.5 million. Guarantees. The Company has guaranteed the payment of amounts owed by one of its joint ventures under a vessel charter agreement that expires in 2012. In addition, the Company has guaranteed amounts owed under banking facilities by certain of its joint ventures. As of March 31, 2012, the total amount guaranteed by the Company under these arrangements was $24.0 million. In addition, as of March 31, 2012, the Company had uncalled capital commitments to two of its joint ventures for a total of $2.6 million.

INVESTMENTS, AT EQUITY, AND ADVANCES TO 50% OR LESS OWNED COMPANIES

Illinois Corn Processing. In January 2012, the Company and its partner each made a capital contribution of $0.5 million. On February 1, 2012, the Company obtained a 70% controlling interest in ICP through its acquisition of a portion of its partner’s interest for $9.1 million in cash (see Note 4). Upon the acquisition, the Company adjusted its investment in ICP to fair value resulting in the recognition of a gain of $6.0 million, net of tax, which is included in equity in earnings in 50% or less owned companies in the accompanying condensed consolidated statements of income. During the month ended January 31, 2012, the Company made net advances of $0.3 million under its revolving line of credit.

Aeroleo. On March 1, 2012, the Company recorded an impairment charge of $5.9 million, net of tax, on its investment in and advances to Aeroleo. The impairment charge resulted from difficulties experienced by Aeroleo following one of its customer's cancellation of certain contracts for a number of AW139 aircraft under contract-lease from Aviation Services.

Hawker Pacific. The Company's Hawker Pacific joint venture is an aviation sales and support organization and a distributor of aviation components. During the three months ended March 31, 2012, the Company advanced $3.3 million to Hawker Pacific. The advance bears interest at 10.0% per annum and matures on December 31, 2012, or earlier if a qualified refinancing occurs. As of March 31, 2012, the Company had an outstanding loan totaling $3.3 million inclusive of accrued interest.

Avion Pacific Limited. Avion Pacific Limited (“Avion”) is a joint venture that distributes aircraft and aircraft-related parts in Asia. During the three months ended March 31, 2012, the Company made advances of $9.0 million to Avion and received repayments of $2.1 million. As of March 31, 2012, the Company had outstanding loans to Avion totaling $16.7 million inclusive of accrued interest.

SCFCo Holdings. SCFCo Holdings LLC (“SCFCo”) was established to operate towboats and dry cargo barges on the Parana-Paraguay Rivers and a terminal facility at Port Ibicuy, Argentina. At various times, SCFCo has agreed to expand its operations through additional capital contributions and bank financing. During the three months ended March 31, 2012, the Company and its partner each contributed additional capital of $0.5 million.

Guarantees. The Company has guaranteed the payment of amounts owed by one of its joint ventures under a vessel charter agreement that expires in 2012. In addition, the Company has guaranteed amounts owed under banking facilities by certain of its joint ventures. As of March 31, 2012, the total amount guaranteed by the Company under these arrangements was $24.0 million. In addition, as of March 31, 2012, the Company had uncalled capital commitments to two of its joint ventures for a total of $2.6 million.