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Acquisition Of Business
3 Months Ended
Mar. 31, 2012
Acquisition Of Business [Abstract]  
Acquisition Of Business
6. Acquisition of Business

Upon the closing of an acquisition, management estimates the fair values of assets and liabilities, acquired and consolidates the acquisition as quickly as possible. However, it routinely takes time to obtain all of the pertinent information to finalize the acquired company's balance sheet and supporting schedules and to adjust the acquired company's accounting policies, procedures, books and records to the Company's standards. As a result, it may take several quarters before the Company is able to finalize those initial fair value estimates. Accordingly, it is not uncommon for initial estimates to be subsequently revised.