Reconciliation of Basic and Diluted Shares

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Shares

Reconciliation of Basic and Diluted Shares

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands, except per share amounts)	2012		2011		2012			2011
Income (loss) from continuing operations attributable to Harsco Corporation common stockholders	$	13,033	$	38,185	$	(15,930	)	$	50,441
Weighted-average shares outstanding - basic	80,631		80,749		80,605			80,722
Dilutive effect of stock-based compensation	251		261		—			255
Weighted-average shares outstanding - diluted	80,882		81,010		80,605			80,977
Earnings (loss) from continuing operations per common share, attributable to Harsco Corporation common stockholders:
Basic	$	0.16	$	0.47	$	(0.20	)	$	0.62
Diluted	$	0.16	$	0.47	$	(0.20	)	$	0.62

The following average outstanding stock-based compensation units were not included in the three and six month computation of diluted earnings per share because the effect was antidilutive:

	Three Months Ended		Six Months Ended
	June 30		June 30
(In thousands)	2012	2011	2012	2011
Restricted stock units	—	—	101	—
Stock options	372	—	428	—
Stock appreciation rights	318	—	300	—
Other	—	—	178	—