Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2019

Accumulated Other Comprehensive Loss [Abstract]

Changes In Accumulated Other Comprehensive Loss By Component, Net Of Tax

	Postretirement		Foreign		Net Gain (Loss)
	Benefit Liability		Currency		on Cash Flow
	Adjustments		Items		Hedges		Total
	(Dollars in thousands)
Balance at December 31, 2016	$	1,141	$	(107,784)	$	—	$	(106,643)
Other comprehensive income (loss) before reclassifications, before tax		—		26,181		2,019		28,200
Reclassification to earnings:
Cash flow hedge loss, before tax		—		—		(527)		(527)
Postretirement benefit liabilities gain (loss), before tax		42		—		—		42
Current period other comprehensive income (loss), before tax		42		26,181		1,492		27,715
Tax effect		18		(4,025)		547		(3,460)
Current period other comprehensive income (loss), net of tax		24		30,206		945		31,175
Balance at December 31, 2017	$	1,165	$	(77,578)	$	945	$	(75,468)
Other comprehensive income (loss) before reclassifications, before tax		—		(24,658)		11,388		(13,270)
Reclassification to earnings:
Cash flow hedge loss, before tax		—		—		(17,159)		(17,159)
Postretirement benefit liabilities gain (loss), before tax		(55)		—		—		(55)
Current period other comprehensive income (loss), before tax		(55)		(24,658)		(5,771)		(30,484)
Tax effect		(16)		954		(1,529)		(591)
Current period other comprehensive income (loss), net of tax		(39)		(25,612)		(4,242)		(29,893)
Balance at December 31, 2018	$	1,126	$	(103,190)	$	(3,297)	$	(105,361)
Other comprehensive (loss) income before reclassifications, before tax		—		6,269		(2,731)		3,538
Reclassification to earnings:
Cash flow hedge loss, before tax		—		—		(10,162)		(10,162)
Postretirement benefit liabilities gain (loss), before tax		91		—		—		91
Current period other comprehensive income (loss), before tax		91		6,269		(12,893)		(6,533)
Tax effect		11		654		(3,183)		(2,518)
Current period other comprehensive income (loss), net of tax		80		5,615		(9,710)		(4,015)
Balance at December 31, 2019	$	1,206	$	(97,575)	$	(13,007)	$	(109,376)