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Goodwill And Intangible Assets (Policies)	3 Months Ended
Goodwill And Intangible Assets (Policies)	Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets Policy	Indefinite-lived intangible assets, such as the Company’s in-process research and development (“IPR&D”) assets, are tested at least annually for impairment, but may be tested whenever certain impairment indicators are present. Impairment is determined to exist when the fair value is less than the carrying value of the assets being tested.

Disclosure of accounting policy for indefinite-lived intangible assets (that is, those intangible assets not subject to amortization). This accounting policy also may address how the entity assesses whether events and circumstances continue to support an indefinite useful life and how the entity assesses and measures impairment of such assets.

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