Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2021

Quarterly Financial Information Disclosure [Abstract]

Schedule Of Quarterly Financial Information

	2021
	Quarters
(In thousands, except per share amounts)	1st		2nd		3rd		4th		Year
Net sales	$	308,428	$	341,289	$	340,197	$	410,268	$	1,400,182
Gross profit	134,785		153,000		149,439		178,124		615,348
Net income (loss) attributable to MSA Safety Incorporated	36,450		25,186		21,180		(61,476)		21,340
Earnings (loss) per share(1)
Basic	$	0.93	$	0.64	$	0.54	$	(1.57)	$	0.54
Diluted	0.92		0.64		0.54		(1.57)		0.54

	2020
	Quarters
(In thousands, except earnings per share)	1st		2nd		3rd		4th		Year
Net sales	$	341,145	$	314,438	$	304,392	$	388,248	$	1,348,223
Gross profit	157,448		141,745		134,138		162,161		595,492
Net income attributable to MSA Safety Incorporated	43,742		36,176		29,381		14,778		124,077
Earnings per share(1)
Basic	$	1.12	$	0.93	$	0.75	$	0.39	$	3.19
Diluted	1.11		0.92		0.74		0.38		3.15

*Certain amounts have been adjusted to reflect the retrospective application of the Company's change in inventory accounting method, as described in Notes 1 and 4 to the consolidated financial statements.

(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.