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Amount excludes temporary equity. Alternate caption for the concept is permanent 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Average Number of Shares Outstanding, Basic and Diluted (Deprecated 2012-01-31)","description":"The average number of shares or units issued and outstanding that are used in calculating basic and diluted EPS.","units":{"shares":[{"end":"2009-12-31","val":1999747,"accn":"0001193125-12-129327","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-23","frame":"CY2009Q4I"},{"end":"2010-12-31","val":7090146,"accn":"0001193125-12-129327","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-23","frame":"CY2010Q4I"},{"end":"2011-12-31","val":12704733,"accn":"0001193125-12-129327","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-23","frame":"CY2011Q4I"}]}}}}}