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Net Intangible Assets Net Intangible Assets (Policies)	6 Months Ended
Net Intangible Assets Net Intangible Assets (Policies)	Jun. 30, 2011
Intangible Assets [Abstract]
Intangible Assets	Our intangible assets are comprised primarily of license and advertising agreements, land rights, patents, customer contracts, and technology, and each is amortized over its determinable life.

- Definition

Disclosure of accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets.

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