Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2012

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 June 30,				Six Months Ended June 30,
(Weighted-average shares)	2012		2011		2012		2011
Basic method		194,208,795		193,481,601		194,050,950		193,267,154
Dilutive stock options and restricted stock units		637,407		1,434,593		769,335		1,375,037
Diluted method		194,846,202		194,916,194		194,820,285		194,642,191