Additional borrowings debt instrument increase additional borrowings.

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- Definition

Expiration date of contingent acquisition agreements with equity investor.

+ Details

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- Definition

Equipment purchased by wholly owned subsidiary from the Company.

+ Details

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- Definition

Equity Ownership Interest In Wholly Owned Subsidiary, Distributions Description.

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- Definition

Equity Ownership Interest In Wholly Owned Subsidiary, Percentage.

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- Definition

Expense from the recognition of certain equity repurchase agreement.

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- Definition

Investment In Subsidiary.

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- Definition

Investment in Subsidiary.

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- Definition

Number of equity investors in holdings unrelated to parent company.

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- Definition

Percentage of additional interest that could be acquired under certain circumstances.

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- Definition

Percentage of equity investor's net investment to be paid by Company, Price if exercised by Company.

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- Definition

Percentage of equity investor's net investment to be paid by Company, Price if exercised by equity investor.

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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Investment in TRIP Holdings (Details Textual) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 31, 2011	Sep. 30, 2011	Sep. 30, 2011	Dec. 31, 2007 EquityInvestorPartner	Jul. 31, 2011 TRIP Holdings [Member]	Sep. 30, 2011 TRIP Holdings [Member]	Sep. 30, 2010 TRIP Holdings [Member]	Sep. 30, 2011 TRIP Holdings [Member]	Sep. 30, 2010 TRIP Holdings [Member]
Investment in TRIP Holdings (Textual) [Abstract]
Additional borrowings debt instrument increase additional borrowings					$ 1,032.0
Payments to TILC from TRIP Holdings and TRIP leasing						1.2	0.9	3.1	2.8
Percentage of additional interest that could be acquired under certain circumstances	16.30%
Percentage of equity investor's net investment to be paid by Company, Price if exercised by equity investor	90.00%
Percentage of equity investor's net investment to be paid by Company, Price if exercised by Company	100.00%
Expiration date of contingent acquisition agreements with equity investor	in July 2014
Investment in Subsidiary (Additional) (Textual) [Abstract]
Railcars purchased by TRIP from the Company		1,284.7	1,284.7
Ownership percentage in TRIP Holdings			57.00%
Number of equity investor partners in TRIP Holdings				3
Ownership Interest in TRIP Holdings, Distributions Description			The Company receives distributions from TRIP Holdings as an equity investor, when allowed, in proportion to its 57% equity interest and has an interest in the net assets of TRIP Holdings upon a liquidation event in the same proportion.
Expense from the recognition of certain equity repurchase agreement with an investor in trip holding		$ 2.4	$ 2.4