Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Reconciliation of Shares Used in Calculating Basic and Diluted Earnings Per Share

A reconciliation of shares used in calculating basic and diluted earnings per share is as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(thousands of shares)	2012		2011		2012		2011
Basic weighted average shares outstanding		111,239		122,991		113,460		122,212
Effect of common stock equivalents-stock options and non-vested stock under employee compensation plans		973		981		1,162		2,126
Diluted weighted average shares outstanding		112,212		123,972		114,622		124,338
Weighted average anti-dilutive common stock equivalents		4,486		6,706		5,234		4,514