Accumulated Other Comprehensive Loss - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2021

Mar. 31, 2020

Statement of Other Comprehensive Income [Abstract]

Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss

Changes in accumulated other comprehensive loss by component, net of tax, were as follows:

	Three Months Ended March 31,
	2021								2020
(in thousands)	Foreign Currency Translation Adjustment		Defined Benefit Plans Items		Gaines (Losses) on Cash Flow Hedges		Total		Foreign Currency Translation Adjustment		Defined Benefit Plans Items		Gaines (Losses) on Cash Flow Hedges		Total
Balance as of beginning of period	$	(26,597)	$	(6,855)	$	(6,874)	$	(40,326)	$	(35,459)	$	(5,989)	$	610	$	(40,838)
Other comprehensive income (loss) before reclassifications	(4,010)		—		2,823		(1,187)		(20,454)		—		(4,455)		(24,909)
Amounts reclassified from accumulated other comprehensive loss	—		251		(650)		(399)		—		194		65		259
Other comprehensive (loss) income	(4,010)		251		2,173		(1,586)		(20,454)		194		(4,390)		(24,650)
Balance as of end of period	$	(30,607)	$	(6,604)	$	(4,701)	$	(41,912)	$	(55,913)	$	(5,795)	$	(3,780)	$	(65,488)

Other comprehensive income (loss) before reclassifications

$ (1,187)

$ (24,909)