Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2022

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, 2021	$	(119,474)	$	(2,327)	$	(138,027)	$	(259,828)
Other comprehensive loss before reclassifications	—		2,257		(51,703)		(49,446)
Amounts reclassified from accumulated other     comprehensive loss	1,038		20		—		1,058
Other comprehensive loss	1,038		2,277		(51,703)		(48,388)
Balance at June 30, 2022	$	(118,436)	$	(50)	$	(189,730)	$	(308,216)