CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

12 Months Ended

Dec. 31, 2020

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Changes by Classification within Accumulated Other Comprehensive Income (Loss)

The following table discloses the changes by classification within accumulated other comprehensive income (loss) for the years ended December 31, 2020, 2019 and 2018:

	For the Year Ended December 31,
In Thousands	2020		2019		2018
Foreign currency translation:
Beginning balance	$	(18,022)	$	(18,458)	$	(2,221)
Net gain (loss) on foreign currency translation	14,508		436		(16,237)
Other comprehensive income (loss), net of tax	14,508		436		(16,237)
Ending balance	(3,514)		(18,022)		(18,458)
Pension and other postretirement benefit plans:
Beginning balance	(3,080)		(22,253)		(18,049)
Changes in net actuarial loss (1)	(2,854)		(222)		(4,998)
Amounts reclassified from accumulated other comprehensive loss (2)	326		19,395		794
Other comprehensive (loss) income, net of tax	(2,528)		19,173		(4,204)
Ending balance	(5,608)		(3,080)		(22,253)
Unrealized loss on derivative instruments:
Beginning balance	(4,877)		(1,974)		122
Net loss on derivative instruments (3)	(6,114)		(2,903)		(2,096)
Amounts reclassified from accumulated other comprehensive loss (4)	1,771		—		—
Other comprehensive loss, net of tax	(4,343)		(2,903)		(2,096)
Ending balance	(9,220)		(4,877)		(1,974)
Total accumulated other comprehensive loss	$	(18,342)	$	(25,979)	$	(42,685)

(1)Amounts represent the net actuarial losses arising from the Company's pension and postretirement benefit obligations, net of tax impact of $0.9 million in 2020, less than $0.1 million in 2019, and $1.5 million in 2018. See Note 12, "Employer Sponsored Benefit Plans" in these Notes to the Consolidated Financial Statements.

(2)For the year ended December 31, 2020, amount represents the settlement of the ISS Pension Plan in the three-month period ended March 31, 2020 of $0.3 million, net of $0.1 million tax impact, and routine amortization of actuarial gains and losses in net periodic benefit cost and other activity of less than $0.1 million, net of less than $0.1 million tax impact. For the year ended December 31, 2019, amount represents the settlement of the Lydall Pension Plan in the second quarter of 2019 of $19.0 million, net of $11.5 million tax impact, and routine amortization of actuarial losses in net periodic benefit cost during the first five months of fiscal year 2019 prior to the plan termination of $0.4 million, net of $0.1 million tax impact. For the year ended December 31, 2018, amount represents routine amortization of actuarial losses in net periodic benefit cost of $0.8 million, net of $0.2 million tax impact.

(3)Amounts represent unrealized losses on the fair value of hedging activities, net of tax impact of $1.8 million, $0.9 million and $0.6 million for the years ended December 31, 2020, 2019 and 2018, respectively.

(4)Amount represents the impact of de-designation of the interest rate swap agreement, net of tax impact of $0.5 million for the year ended December 31, 2020.