Minimum Recognition Threshold on Uncertain Tax Positions, Percent Likely to be Realized

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Product warranty period.

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- Definition

Amount of decrease in additional paid in capital (APIC) resulting from a stock split in which per-share par value or stated value is not changed proportionately.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Amount of stock repurchase plan authorized.

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Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the CCYY-MM-DD format.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Summary of Significant Accounting Policies (Details) (USD $)	0 Months Ended	12 Months Ended			1 Months Ended
	Jun. 19, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2014
Summary of Significant Accounting Policies (Textual) [Abstract]
Stock split, conversion ratio	2
Stock split, reclassification from APIC to Common Stock		$ 0
Cost of shares repurchased		31,500,000	108,200,000	45,200,000
Likelihood threshold for recognition of uncertain tax positions		50.00%
Goodwill impairment charges		0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Net book value of finite-lived intangible assets		58,800,000us-gaap_FiniteLivedIntangibleAssetsNet
Minimum
Summary of Significant Accounting Policies (Textual) [Abstract]
Product warranty period against materials and manufacturing defects		1 year
Maximum
Summary of Significant Accounting Policies (Textual) [Abstract]
Product warranty period against materials and manufacturing defects		5 years
Buildings and improvements \| Minimum
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful life		3 years
Buildings and improvements \| Maximum
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful life		30 years
Leasehold improvements \| Maximum
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful life		7 years
Machinery and equipment \| Minimum
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful life		2 years
Machinery and equipment \| Maximum
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful life		10 years
Information systems hardware and software \| Minimum
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful life		2 years
Information systems hardware and software \| Maximum
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful life		5 years
Railcars in lease fleet
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful life		35 years
Current repurchase program
Summary of Significant Accounting Policies (Textual) [Abstract]
Authorized amount from Board of Directors for share repurchase					250,000,000
Share repurchase program expiry date					Dec. 31, 2015
Number of shares repurchased (in shares)		747,246
Cost of shares repurchased		31,500,000
Prior repurchase program
Summary of Significant Accounting Policies (Textual) [Abstract]
Authorized amount from Board of Directors for share repurchase					200,000,000
Number of shares repurchased (in shares)			2,473,189
Cost of shares repurchased			108,200,000
Common Stock
Summary of Significant Accounting Policies (Textual) [Abstract]
Stock split, reclassification from APIC to Common Stock		$ 78,000,000