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Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Significant Accounting Policies [Abstract]

Estimated lives of useful depreciable assets


Railcars			30 – 38 years
Locomotives			12 – 20 years
Buildings			40 – 50 years
Leasehold improvements			5 – 15 years
Marine vessels			30 – 65 years
Industrial equipment			5 – 30 years

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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