Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule Of Quarterly Financial Information

	2019
	Quarters
(In thousands, except earnings per share)	1st		2nd		3rd		4th		Year
Net sales	$	326,038	$	349,675	$	351,014	$	375,254	$	1,401,981
Gross profit	149,982		161,084		158,701		166,845		636,612
Net income attributable to MSA Safety Incorporated	23,232		39,806		42,239		31,163		136,440
Earnings per share(1)
Basic	$	0.60	$	1.03	$	1.09	$	0.80	$	3.52
Diluted	0.59		1.01		1.08		0.79		3.48

	2018
	Quarters
(In thousands, except earnings per share)	1st		2nd		3rd		4th		Year
Net sales	$	325,894	$	339,331	$	331,096	$	361,783	$	1,358,104
Gross profit	147,339		153,836		148,302		162,386		611,863
Net income attributable to MSA Safety Incorporated	32,371		33,179		33,717		24,883		124,150
Earnings per share(1)
Basic	$	0.85	$	0.86	$	0.88	$	0.65	$	3.23
Diluted	0.83		0.85		0.86		0.64		3.18

⁽¹⁾ Per share amounts are calculated independently for each period presented; therefore, the sum of the quarterly per share amounts may not equal the per share amounts for the year.