Reconciliation of Basic and Diluted Shares

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Shares

Reconciliation of Basic and Diluted Shares

	Three Months Ended
	March 31
(In thousands, except per share amounts)	2018		2017
Income from continuing operations attributable to Harsco Corporation common stockholders	$	18,260	$	9,267
Weighted-average shares outstanding - basic	80,650		80,385
Dilutive effect of stock-based compensation	2,894		1,878
Weighted-average shares outstanding - diluted	83,544		82,263
Earnings from continuing operations per common share, attributable to Harsco Corporation common stockholders:
Basic	$	0.23	$	0.12
Diluted	$	0.22	$	0.11

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

	Three Months Ended
	March 31
(In thousands)	2018	2017
Restricted stock units	—	—
Stock options	—	55
Stock appreciation rights	696	1,263
Performance share units	—	467