Reconciliation of Basic and Diluted Shares

6 Months Ended

Jun. 30, 2013

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)	2013		2012		2013		2012
Income (loss) from continuing operations attributable to Harsco Corporation common stockholders	$	24,331	$	13,033	$	31,973	$	(15,930	)
Weighted-average shares outstanding - basic	80,760		80,631		80,733		80,605
Dilutive effect of stock-based compensation	244		251		234		—
Weighted-average shares outstanding - diluted	81,004		80,882		80,967		80,605
Earnings (loss) from continuing operations per common share, attributable to Harsco Corporation common stockholders:
Basic	$	0.30	$	0.16	$	0.40	$	(0.20	)
Diluted	$	0.30	$	0.16	$	0.39	$	(0.20	)

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

	Three Months Ended		Six Months Ended
	June 30		June 30
(In thousands)	2013	2012	2013	2012
Restricted stock units	—	—	—	101
Stock options	304	372	304	428
Stock appreciation rights	190	318	95	300
Other	—	—	—	178