Other comprehensive loss consists of foreign currency translation adjustments which includes the settlements of net investment hedges, unrealized gains and losses from cash flow hedges and the unamortized gain on post-retirement plans, net of their related tax effects.

The following table illustrates the changes in the balances of each component of accumulated other comprehensive loss, net of tax, for the three months ended October 31, 2021:


	Unrealized gain on cash flow hedges		Unamortized gain on post-retirement plans		Foreign currency translation adjustments		Accumulated other comprehensive loss
Beginning balance, July 31, 2021	$	729	$	1,888	$	(58,570)	$	(55,953)
Other comprehensive loss before reclassification	(273)		—		(3,913)		(4,186)
Amounts reclassified from accumulated other comprehensive loss	(425)		(107)		—		(532)
Ending balance, October 31, 2021	$	31	$	1,781	$	(62,483)	$	(60,671)

The increase in accumulated other comprehensive loss as of October 31, 2021, compared to July 31, 2021, was primarily due to the appreciation of the U.S. dollar against certain other currencies during the three-month period.

The changes in accumulated other comprehensive loss by component, net of tax, for the three months ended October 31, 2020, were as follows:


	Unrealized (loss) gain on cash flow hedges		Unamortized gain on post-retirement plans		Foreign currency translation adjustments		Accumulated other comprehensive loss
Beginning balance, July 31, 2020	$	(200)	$	2,181	$	(68,458)	$	(66,477)
Other comprehensive income (loss) before reclassification	701		—		(4,185)		(3,484)
Amounts reclassified from accumulated other comprehensive loss	159		134		—		293
Ending balance, October 31, 2020	$	660	$	2,315	$	(72,643)	$	(69,668)

The increase in the accumulated other comprehensive loss as of October 31, 2020, compared to July 31, 2020, was primarily due to the appreciation of the U.S. dollar against certain other currencies during the three-month period.

Of the amounts reclassified from accumulated other comprehensive loss during the three months ended October 31, 2021 and 2020, unrealized gains (losses) on cash flow hedges were reclassified to "Cost of goods sold" and unamortized gains on post-retirement plans was reclassified into "Investment and other income" on the condensed consolidated statements of income.

The following table illustrates the income tax (expense) benefit on the components of other comprehensive loss for the three months ended October 31, 2021 and 2020:


	Three months ended October 31,
	2021		2020
Income tax (expense) benefit related to items of other comprehensive loss:
Cash flow hedges	$	(104)	$	(48)
Pension and other post-retirement benefits	—		240
Other income tax adjustments and currency translation	5		7
Income tax (expense) benefit related to items of other comprehensive loss	$	(99)	$	199