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Market And Dividend Information (Tables)

12 Months Ended

Dec. 31, 2011

Market And Dividend Information [Abstract]

Summary Of Common Stock Sales Price And Dividends Declared Per Share


		Year Ended December 31, 2011												Year Ended December 31, 2010
		Sales Price								Dividend Declared				Sales Price								Dividend Declared
		High				Low				Dividend Declared				High				Low				Dividend Declared

First Quarter		$	30.99			$	27.88			$	1.00			$	28.32			$	23.81			$	1.20

Second Quarter			29.39				27.12				1.00				30.03				11.25				1.10

Third Quarter			29.26				23.80				1.00				30.86				26.73				1.10

Fourth Quarter			27.31				22.33				0.90				31.98				28.28				1.00