Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2023

Equity [Abstract]

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 December 31, 2022	$	(156,733)	$	(772)	$	(187,805)	$	(345,310)
Other comprehensive income before reclassifications	—		(1,714)		19,721		18,007
Amounts reclassified from accumulated other     comprehensive loss	2,306		427		—		2,733
Other comprehensive income	2,306		(1,287)		19,721		20,740
Balance at March 31, 2023	$	(154,427)	$	(2,059)	$	(168,084)	$	(324,570)