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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Estimated Useful Lives of Property and Equipment

We compute depreciation by the straight-line method based on the following estimated useful lives:


	Years
Land improvements		5 to 20
Buildings and leasehold improvements		5 to 50
Machinery and equipment		3 to 15

- 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.

+ References+ Details