Reconciliation of Basic and Diluted Shares (Tables)

9 Months Ended

Sep. 30, 2011

Reconciliation of Basic and Diluted Shares

Reconciliation of basic and diluted shares

	Three Months Ended				Nine Months Ended
	September 30				September 30
(In thousands, except per share amounts)	2011		2010		2011		2010
Income from continuing operations attributable to Harsco Corporation common stockholders	$	32,207	$	21,074	$	82,648	$	61,355
Weighted-average shares of common stock outstanding - basic	80,767		80,574		80,737		80,559
Dilutive effect of stock-based compensation	270		188		260		188
Weighted-average shares of common stock outstanding - diluted	81,037		80,762		80,997		80,747
Earnings from continuing operations per common share, attributable to Harsco Corporation common stockholders:
Basic	$	0.40	$	0.26	$	1.02	$	0.76
Diluted	$	0.40	$	0.26	$	1.02	$	0.76