Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2021

The after-tax changes in accumulated other comprehensive income (loss), are as follows:


	Foreign currency translation adjustment		Pension and post-retirement benefits plans		Derivative instruments		Accumulated other comprehensive income (loss)
Balance - December 31, 2020	$	(19,024)	$	(27,423)	$	1,441	$	(45,006)
Net current period change	(1,809)		—		—		(1,809)
Amortization of actuarial gain (loss)	—		2,094		—		2,094
Derivative instruments	—		—		(1,052)		(1,052)
Balance - September 30, 2021	$	(20,833)	$	(25,329)	$	389	$	(45,773)


	Foreign currency translation adjustment		Pension and post-retirement benefit plans		Derivative instruments		Accumulated other comprehensive income (loss)
Balance - December 31, 2019	$	(24,032)	$	(22,382)	$	464	$	(45,950)
Net current period change	(257)		—		—		(257)
Amortization of actuarial gain (loss)	—		(1,850)		—		(1,850)
Derivative instruments	—		—		(781)		(781)
Balance - September 30, 2020	$	(24,289)	$	(24,232)	$	(317)	$	(48,838)

The related tax effects allocated to each component of other comprehensive loss are as follows:



	Three Months Ended September 30, 2021						Nine Months Ended September 30, 2021
	Before Tax Amount		Tax Expense		After Tax Amount		Before Tax Amount		Tax Expense		After Tax Amount
Cumulative translation adjustment	$	(1,225)	$	—	$	(1,225)	$	(1,809)	$	—	$	(1,809)
Amortization of actuarial gain (loss)	1,308		113		1,421		1,754		340		2,094
Derivative instruments	(717)		168		(549)		(1,373)		321		(1,052)
Total other comprehensive income (loss)	$	(634)	$	281	$	(353)	$	(1,428)	$	661	$	(767)


	Three Months Ended September 30, 2020						Nine Months Ended September 30, 2020
	Before Tax Amount		Tax Expense		After Tax Amount		Before Tax Amount		Tax Expense		After Tax Amount
Cumulative translation adjustment	$	2,628	$	—	$	2,628	$	(257)	$	—	$	(257)
Amortization of actuarial gain (loss)	(1,179)		222		(957)		(2,284)		434		(1,850)
Derivative instruments	1,167		(274)		893		(878)		97		(781)
Total other comprehensive income (loss)	$	2,616	$	(52)	$	2,564	$	(3,419)	$	531	$	(2,888)