Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

After-tax Changes in Accumulated Other Comprehensive Loss

The after-tax changes in accumulated other comprehensive loss are as follows: 

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

	Foreign currency translation adjustment		Derivative instruments		Pension and post-retirement benefit plans		Accumulated other comprehensive loss
Ending balance, December 31, 2018	$	(22,847)	$	496	$	(25,120)	$	(47,471)
Net current period change	(3,048)		—		—		(3,048)
Derivative instruments	—		(193)		—		(193)
Amortization of actuarial losses	—		—		(1,008)		(1,008)
Ending balance, September 30, 2019	$	(25,895)	$	303	$	(26,128)	$	(51,720)

Related Tax Effects Allocated to Each Component of Accumulated Other Comprehensive Loss

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

	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
Amortization of actuarial losses	$	(1,179)	$	222	$	(957)	$	(2,284)	$	434	$	(1,850)
Derivative instruments	1,167		(274)		893		(878)		97		(781)
Cumulative translation adjustment	2,628		—		2,628		(257)		—		(257)
Total other comprehensive loss	$	2,616	$	(52)	$	2,564	$	(3,419)	$	531	$	(2,888)

	Three Months Ended September 30, 2019						Nine Months Ended September 30, 2019
	Before Tax Amount		Tax Expense		After Tax  Amount		Before Tax Amount		Tax Expense		After Tax  Amount
Amortization of actuarial losses	$	(2,186)	$	91	$	(2,095)	$	(380)	$	(628)	$	(1,008)
Derivative instruments	(515)		—		(515)		(193)		—		(193)
Cumulative translation adjustment	(3,388)		—		(3,388)		(3,048)		—		(3,048)
Total other comprehensive loss	$	(6,089)	$	91	$	(5,998)	$	(3,621)	$	(628)	$	(4,249)