Earnings per Share

Basic earnings per share attributable to MSA Safety Incorporated common shareholders is computed by dividing net income, after the deduction of preferred stock dividends and undistributed earnings allocated to participating securities, by the weighted average number of common shares outstanding during the period. Diluted earnings per share attributable to MSA Safety Incorporated common shareholders assumes the issuance of common stock for all potentially dilutive share equivalents outstanding not classified as participating securities. Participating securities are defined as unvested stock-based payment awards that contain nonforfeitable rights to dividends.



Amounts attributable to MSA Safety Incorporated common shareholders:	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands, except per share amounts)	2018			2017			2018			2017
Net income	$	33,179		$	12,532		$	65,550		$	26,945
Preferred stock dividends	(10		)	(10		)	(20		)	(20		)
Net income available to common equity	33,169			12,522			65,530			26,925
Dividends and undistributed earnings allocated to participating securities	(31		)	(10		)	(63		)	(26		)
Net income available to common shareholders	33,138			12,512			65,467			26,899

Basic weighted-average shares outstanding	38,327			38,065			38,272			37,914
Stock options and other stock compensation	576			715			569			771
Diluted weighted-average shares outstanding	38,903			38,780			38,841			38,685
Antidilutive stock options	—			—			—			—

Earnings per share:
Basic	$	0.86		$	0.33		$	1.71		$	0.71
Diluted	$	0.85		$	0.32		$	1.69		$	0.70