Changes in Accumulated Other Comprehensive Income (Loss) by Component (Tables)

6 Months Ended

Mar. 31, 2021

Changes in Accumulated Other Comprehensive Income (Loss) by Component

Schedule of accumulated other comprehensive income (loss)

	Three Months Ended March 31, 2020
	Pension		Postretirement		Foreign
	Plan		Plan		Exchange		Total
Accumulated other comprehensive income (loss) as of December 31, 2019	$	(60,942)	$	(17,749)	$	(9,268)	$	(87,959)
Other comprehensive income (loss) before reclassifications		—		—		(3,918)		(3,918)
Amounts reclassified from accumulated other comprehensive income (loss)
Amortization of Pension and Postretirement Plan items (1)		52		—		—		52
Actuarial losses (1)		1,822		463		—		2,285
Tax benefit		(494)		(123)		—		(617)
Net current-period other comprehensive income (loss)		1,380		340		(3,918)		(2,198)
Accumulated other comprehensive income (loss) as of March 31, 2020	$	(59,562)	$	(17,409)	$	(13,186)	$	(90,157)
	Three Months Ended March 31, 2021
	Pension		Postretirement		Foreign
	Plan		Plan		Exchange		Total
Accumulated other comprehensive income (loss) as of December 31, 2020	$	(63,865)	$	613	$	(4,971)	$	(68,223)
Other comprehensive income (loss) before reclassifications		—		—		(268)		(268)
Amounts reclassified from accumulated other comprehensive income (loss)
Amortization of Pension and Postretirement Plan items (1)		52		—		—		52
Actuarial losses (1)		1,939		—		—		1,939
Tax benefit		(464)		—		—		(464)
Net current-period other comprehensive income (loss)		1,527		—		(268)		1,259
Accumulated other comprehensive income (loss) as of March 31, 2021	$	(62,338)	$	613	$	(5,239)	$	(66,964)
	Six Months Ended March 31, 2020
	Pension		Postretirement		Foreign
	Plan		Plan		Exchange		Total
Accumulated other comprehensive income (loss) as of September 30, 2019	$	(53,811)	$	(13,316)	$	(13,511)	$	(80,638)
Other comprehensive income (loss) before reclassifications		—		—		325		325
Amounts reclassified from accumulated other comprehensive income (loss)
Amortization of Pension and Postretirement Plan items (1)		103		—		—		103
Actuarial losses (1)		3,642		925		—		4,567
Tax benefit		(987)		(244)		—		(1,231)
Net current-period other comprehensive income (loss)		2,758		681		325		3,764
Reclass due to adoption of ASU 2018-02		(8,509)		(4,774)		—		(13,283)
Accumulated other comprehensive income (loss) as of March 31, 2020	$	(59,562)	$	(17,409)	$	(13,186)	$	(90,157)
	Six Months Ended March 31, 2021
	Pension		Postretirement		Foreign
	Plan		Plan		Exchange		Total
Accumulated other comprehensive income (loss) as of September 30, 2020	$	(65,393)	$	613	$	(9,821)	$	(74,601)
Other comprehensive income (loss) before reclassifications		—		—		4,582		4,582
Amounts reclassified from accumulated other comprehensive income (loss)
Amortization of Pension and Postretirement Plan items (1)		103		—		—		103
Actuarial losses (1)		3,879		—		—		3,879
Tax benefit		(927)		—		—		(927)
Net current-period other comprehensive income (loss)		3,055		—		4,582		7,637
Accumulated other comprehensive income (loss) as of March 31, 2021	$	(62,338)	$	613	$	(5,239)	$	(66,964)

(1) These accumulated other comprehensive income components are included in the computation of net periodic pension cost.