Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

Amounts attributable to MSA Safety Incorporated common shareholders:	Three Months Ended June 30,						Six Months Ended June 30,
(In thousands, except per share amounts)	2017			2016			2017			2016
Net income from continuing operations	$	12,532		$	29,306		$	26,945		$	41,989
Preferred stock dividends	(10		)	(9		)	(20		)	(19		)
Income from continuing operations available to common equity	12,522			29,297			26,925			41,970
Dividends and undistributed earnings allocated to participating securities	(10		)	(48		)	(26		)	(67		)
Income from continuing operations available to common shareholders	12,512			29,249			26,899			41,903
Net income from discontinued operations	$	—		$	1,777		$	—		$	845
Preferred stock dividends	—			(1		)	—			(1		)
Income from discontinued operations available to common equity	—			1,776			—			844
Dividends and undistributed earnings allocated to participating securities	—			(3		)	—			(2		)
Income from discontinued operations available to common shareholders	—			1,773			—			842
Basic weighted-average shares outstanding	38,065			37,411			37,914			37,368
Stock options and other stock compensation	715			449			771			439
Diluted weighted-average shares outstanding	38,780			37,860			38,685			37,807
Antidilutive stock options	—			143			—			143
Earnings per share attributable to continuing operations:
Basic	$	0.33		$	0.78		$	0.71		$	1.12
Diluted	$	0.32		$	0.77		$	0.70		$	1.11
Earnings per share attributable to discontinued operations:
Basic	$	—		$	0.05		$	—		$	0.02
Diluted	$	—		$	0.05		$	—		$	0.02