Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2011

Weighted-Average Shares Outstanding for Computation of Basic and Diluted Income Per Common Share

The following table reconciles the weighted-average shares outstanding used for these computations.

	Three Months Ended September 30,				Nine Months Ended September 30,
(Weighted-average shares)	2011		2010		2011		2010
Basic method		193,517,785		191,943,813		193,342,825		191,577,000
Dilutive stock options and restricted stock units		893,331		1,494,179		1,206,021		1,289,485
Diluted method		194,411,116		193,437,992		194,548,846		192,866,485