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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Stockholders' Equity [Abstract]

Changes in Shares of Common Stock Outstanding


		Shares Issued				Treasury Stock				Shares Outstanding
Balance at December 31, 2009			123,320				(9,926	)			113,394
Common stock issued			-				1,836				1,836
Balance at December 31, 2010			123,320				(8,090	)			115,230
Common stock issued			6,953 -				1,008				7,961
Balance at December 31, 2011			130,273				(7,082	)			123,191
Common stock issued			-				2,012				2,012
Balance at December 31, 2012			130,273				(5,070	)			125,203