Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2023

Quarterly Financial Information Disclosure [Abstract]

Schedule Of Quarterly Financial Information

	2023
	Quarters
(In thousands, except per share amounts)	1st		2nd		3rd		4th		Year
Net sales	$	398,262	$	447,299	$	446,728	$	495,358	$	1,787,647
Gross profit	181,398		213,796		218,761		238,183		852,138
Net (loss) income attributable to MSA Safety Incorporated	(150,173)		67,090		65,256		76,410		58,583
(Loss) earnings per share(1)
Basic	$	(3.83)	$	1.71	$	1.66	$	1.94	$	1.49
Diluted	(3.83)		1.70		1.65		1.93		1.48

	2022
	Quarters
(In thousands, except earnings per share)	1st		2nd		3rd		4th		Year
Net sales	$	330,692	$	372,313	$	381,694	$	443,254	$	1,527,953
Gross profit	142,784		164,400		169,395		197,252		673,831
Net income attributable to MSA Safety Incorporated	35,542		47,693		44,906		51,489		179,630
Earnings per share(1)
Basic	$	0.90	$	1.21	$	1.15	$	1.31	$	4.58
Diluted	0.90		1.21		1.14		1.31		4.56
(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.