Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2011

Earnings Per Share

Weighted Average Common Shares Outstanding

	Three Months				Six Months
	2011		2010		2011		2010
Weighted average common shares outstanding:
Basic EPS calculation		110,624		110,409		110,596		110,389
Effect of dilutive share-based awards		53		81		58		82
Diluted EPS calculation		110,677		110,490		110,654		110,471