Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2025

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity

Activity in Shareholders’ equity for 2023, 2024, and 2025 is presented below:

(in thousands)	Class A Common Stock			Additional paid-in capital		Retained earnings		Accumulated items of other comprehensive income		Class A Treasury Stock			Noncontrolling Interest		Total Equity
	Shares	Amount								Shares	Amount
January 1, 2023	40,785	$	41	$	441,540	$	931,318	$	(144,927)	9,675	$	(364,923)	$	4,494	$	867,543
Net income	—	—		—		111,120		—		—	—		490		111,610
Compensation and benefits paid or payable in shares	71	—		5,851		—		—		—	—		—		5,851
Shares issued to Directors'	—	—		827		—		—		(13)	258		—		1,085
Dividends declared on Class A Common Stock, $1.01 per share	—	—		—		(31,496)		—		—	—		—		(31,496)
Initial equity related to Noncontrolling Interest in Arcari	—	—		—		—		—		—	—		509		509
Cumulative translation adjustments	—	—		—		—		21,950		—	—		459		22,409
Pension and postretirement liability adjustments	—	—		—		—		(1,563)		—	—		—		(1,563)
Derivative valuation adjustment	—	—		—		—		(8,628)		—	—		—		(8,628)
December 31, 2023	40,856	$	41	$	448,218	$	1,010,942	$	(133,168)	9,662	$	(364,665)	$	5,952	$	967,320

(in thousands)	Class A Common Stock			Additional paid-in capital		Retained earnings		Accumulated items of other comprehensive income		Class A Treasury Stock			Noncontrolling Interest		Total Equity
	Shares	Amount								Shares	Amount
January 1, 2024	40,856	$	41	$	448,218	$	1,010,942	$	(133,168)	9,662	$	(364,665)	$	5,952	$	967,320
Net income	—	—		—		87,623		—		—	—		432		88,055
Compensation and benefits paid or payable in shares	51	—		3,812		—		—		—	—		—		3,812
Shares issued to Directors'	10	—		903		—		—		—	—		—		903
Purchase of Treasury shares	—	—		—		—		—		183	(14,545)		—		(14,545)
Dividends declared on Class A Common Stock, $1.05 per share	—	—		—		(32,802)		—		—	—		—		(32,802)
Dividends paid to noncontrolling interests	—	—		—		—		—		—	—		(166)		(166)
Cumulative translation adjustments	—	—		—		—		(56,654)		—	—		(809)		(57,463)
Pension and postretirement liability adjustments	—	—		—		—		3,018		—	—		—		3,018
Derivative valuation adjustment	—	—		—		—		(9,185)		—	—		—		(9,185)
December 31, 2024	40,917	$	41	$	452,933	$	1,065,763	$	(195,989)	9,845	$	(379,210)	$	5,409	$	948,947

(in thousands)	Class A Common Stock			Additional paid-in capital		Retained earnings		Accumulated items of other comprehensive income		Class A Treasury Stock			Noncontrolling Interest		Total Equity
	Shares	Amount								Shares	Amount
January 1, 2025	40,917	$	41	$	452,933	$	1,065,763	$	(195,989)	9,845	$	(379,210)	$	5,409	$	948,947
Net income	—	—		—		(57,342)		—		—	—		383		(56,959)
Stock- based compensation	61	—		9,300		—		—		—	—		—		9,300
Stock issued under incentive compensation plans	—	—		(1,067)		—		—		—	—		—		(1,067)
Taxes paid in lieu of share issuance	—	—		(1,454)		—		—		—	—		—		(1,454)
Shares issued to Directors'	11	—		760		—		—		—	—		—		760
Purchase of Treasury shares	—	—		—		—		—		2,841	(187,929)		—		(187,929)
Dividends declared on Class A Common Stock, $1.09 per share	—	—		—		(31,953)		—		—	—		—		(31,953)
Dividends paid to noncontrolling interests	—	—		—		—		—		—	—		(88)		(88)
Cumulative translation adjustments	—	—		—		—		62,547		—	—		101		62,648
Pension and postretirement liability adjustments	—	—		—		—		(9,583)		—	—		—		(9,583)
Derivative valuation adjustment	—	—		—		(95)		(513)		—	—		88		(520)
December 31, 2025	40,989	$	41	$	460,472	$	976,373	$	(143,538)	12,686	$	(567,139)	$	5,893	$	732,102