Operating Lease, Future Minimum Lease Payments, Terminated

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Net Book Value of Unpledged Equipment.

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Proceeds from Sale of Property Subject to or Available For Operating Lease

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Sale Leaseback Transaction, Payments to Acquire Leased Assets

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of assets pledged to secure a debt instrument.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Railcar Leasing and Management Services Group (Details Textual) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Feb. 28, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2009
Segment Reporting Information [Line Items]
Proceeds from sale leased railcars		$ 171.9	$ 1,180.0	$ 995.3
Assets		9,125.3	8,885.9	8,695.3
Property, plant, and equipment, net		5,966.8	5,348.0
Railcar Leasing and Management Services Group
Segment Reporting Information [Line Items]
Assets		6,095.7	5,358.2	$ 4,939.1
Railcar Leasing and Management Services Group \| Property lease guarantee
Segment Reporting Information [Line Items]
Operating lease obligations guaranteed		9.3
Railcar Leasing and Management Services Group \| Wholly-owned subsidiaries
Segment Reporting Information [Line Items]
Net book value of unpledged equipment		2,466.1
Railcar Leasing and Management Services Group \| Wholly owned qualified subsidiaries for leasing railcars from the Trusts
Segment Reporting Information [Line Items]
Purchase price of sale leaseback	$ 121.1
Lease obligations, total, terminated	$ 105.8
Assets		145.5
Cash		53.5
Railcar Leasing and Management Services Group \| Wholly owned qualified subsidiaries for leasing railcars from the Trusts \| Railroad Transportation Equipment
Segment Reporting Information [Line Items]
Property, plant, and equipment, net		$ 64.1
Railcar Leasing and Management Services Group \| Wholly owned qualified subsidiaries for leasing railcars from the Trusts \| Railroad transportation equipment leased from independent owner trusts
Segment Reporting Information [Line Items]
Period of railcars leased from the Trusts under operating leases (in years)		22 years
Railcar Leasing and Management Services Group \| Capital lease obligations
Segment Reporting Information [Line Items]
Capital lease obligations		$ 32.0	$ 35.7		$ 56.6
Railcar Leasing and Management Services Group \| Capital lease obligations \| Wholly-owned subsidiaries
Segment Reporting Information [Line Items]
Net book value pledged as collateral		42.2
Railcar Leasing and Management Services Group \| Secured debt \| Wholly-owned subsidiaries
Segment Reporting Information [Line Items]
Net book value pledged as collateral		1,393.0
Railcar Leasing and Management Services Group \| Secured debt \| TRIP Holdings \| TRIP Master Funding secured railcar equipment notes
Segment Reporting Information [Line Items]
Net book value pledged as collateral		1,311.0
Railcar Leasing and Management Services Group \| Secured debt \| TRL 2012 \| TRL 2012 secured railcar equipment notes
Segment Reporting Information [Line Items]
Net book value pledged as collateral		$ 568.6
Railcar Leasing and Management Services Group \| Minimum
Segment Reporting Information [Line Items]
Term of leases with third parties		1 year
Railcar Leasing and Management Services Group \| Maximum
Segment Reporting Information [Line Items]
Term of leases with third parties		20 years