Reclassifications Out of Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Reclassifications Out of Accumulated Other Comprehensive Loss

	MSA Safety Incorporated										Noncontrolling Interests
(In thousands)	2016				2015			2014			2016				2015			2014
Pension and other post-retirement benefits
Balance at beginning of period	$	(119,389	)		$	(125,570	)	$	(77,080	)	$	—			$	—		$	—
Unrecognized net actuarial losses	(12,473		)		(8,002		)	(84,495		)	—				—			—
Unrecognized prior service credit (cost)	1,092				(604		)	302			—				—			—
Tax benefit	5,033				4,173			29,832			—				—			—
Total other comprehensive loss before reclassifications, net of tax	(6,348		)		(4,433		)	(54,361		)	—				—			—
Amounts reclassified from accumulated other comprehensive loss:
Amortization of prior service cost(a)	(427		)		(268		)	(251		)	—				—			—
Recognized net actuarial losses(a)	11,989				16,215			9,114			—				—			—
Tax benefit	(3,893		)		(5,333		)	(2,992		)	—				—			—
Total amount reclassified from accumulated other comprehensive loss, net of tax	7,669				10,614			5,871			—				—			—
Total other comprehensive income (loss)	1,321				6,181			(48,490		)
Balance at end of period	$	(118,068	)		$	(119,389	)	$	(125,570	)	$	—			$	—		$	—
Foreign currency translation
Balance at beginning of period	$	(88,810	)		$	(41,160	)	$	(1,189	)	$	(3,616	)		$	(2,199	)	$	(1,602	)
Reclassification into net income	2,500			(b)	—			—			770			(c)	—			—
Foreign currency translation adjustments	(25,868		)		(47,650		)	(39,971		)	882				(1,417		)	(597		)
Balance at end of period	$	(112,178	)		$	(88,810	)	$	(41,160	)	$	(1,964	)		$	(3,616	)	$	(2,199	)