ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

12 Months Ended

Dec. 31, 2025

Equity [Abstract]

Schedule of Amounts Included in Accumulated Other Comprehensive Loss, Net of Tax

Amounts included in accumulated other comprehensive loss, net of tax, were as follows:

 

	Unrecognized Net Defined Benefit Plan Costs		Change in Fair Value of Derivatives		Foreign Currency Translation		Total
	(Dollars in thousands)
Balance at January 1, 2023	$	(156,733)	$	(772)	$	(187,805)	$	(345,310)
Other comprehensive income before     reclassifications	15,556		852		46,149		62,557
Amounts reclassified from accumulated     other comprehensive loss	7,654		(296)		24,034		31,392
Other comprehensive income	23,210		556		70,183		93,949
Balance at December 31, 2023	(133,523)		(216)		(117,622)		(251,361)
Other comprehensive (loss) before     reclassifications	(2,279)		(1,684)		(100,708)		(104,671)
Amounts reclassified from accumulated     other comprehensive loss	5,814		(3,139)		—		2,675
Other comprehensive loss	3,535		(4,823)		(100,708)		(101,996)
Balance at December 31, 2024	(129,988)		(5,039)		(218,330)		(353,357)
Other comprehensive income before     reclassifications	8,215		4,031		122,580		134,826
Amounts reclassified from accumulated     other comprehensive loss	4,933		42		—		4,975
Other comprehensive income	13,148		4,073		122,580		139,801
Balance at December 31, 2025	$	(116,840)	$	(966)	$	(95,750)	$	(213,556)