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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY AND NONCONTROLLING INTEREST (Parenthetical)	9 Months Ended
	Sep. 30, 2012
Common Class A [Member]
Conversion of Stock, Shares Converted	(12,000)
Common Class D [Member]
Conversion of Stock, Shares Converted	12,000

The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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