ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

3 Months Ended

Mar. 31, 2021

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

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The changes in accumulated other comprehensive income/(loss) were as follows:

	Three Months Ended March 31,
	2021		2020
Net foreign currency translation adjustment	$	(6,143)	$	781
Net change of cash flow hedge (see Note 19 for further information)
Unrealized gain (loss) on cash flow hedge	677		(3,933)
Tax	(165)		826
Net of tax	512		(3,107)
Net change in postretirement benefit plan (see Note 14 for further information)
Amortization of prior service cost	18		19
Amortization of gain	(5)		(13)
Prior service credit	(4)		—
Total before tax	9		6
Tax	(2)		(1)
Adjustment (1)	—		(584)
Net of tax and adjustment	7		(579)
Total other comprehensive loss	$	(5,624)	$	(2,905)
(1) One-time adjustment to the postretirement account.

Included in "Net foreign currency translation adjustment" were gains of $3,197 and $4,419, related to a net investment hedge, which were net of taxes of $1,026 and $1,174 for the three months ended March 31, 2021 and 2020, respectively. See Note 19, "Derivative Instruments and Hedging Activities."

Accumulated other comprehensive income (loss) at March 31, 2021 and December 31, 2020 consisted of the following:

	Foreign currency translation adjustment		Cash flow hedge		Postretirement benefit plan		Total
Balance December 31, 2020	$	7,653	$	(3,684)	$	204	$	4,173
Other comprehensive (loss) income	(6,143)		512		7		(5,624)
Balance March 31, 2021	$	1,510	$	(3,172)	$	211	$	(1,451)