Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Schedule of Property, Plant and Equipment by Major Asset Class

The Company's property, plant and equipment assets by major asset class at September 30 consist of:

	2021		2020
Property, plant and equipment:
Land	$	994	$	1,000
Buildings	16,931		15,564
Machinery and equipment	92,871		91,461
Total property, plant and equipment	110,796		108,025
Less: Accumulated depreciation	68,088		63,824
Property, plant and equipment, net	$	42,708	$	44,201

Schedule of Dilutive Effect of Company's Restricted Shares and Performance Shares

The dilutive effect is as follows:

	September 30,
	2021		2020
Net income (loss)	$	(743)	$	9,191
Weighted-average common shares outstanding (basic)	5,759		5,661
Effect of dilutive securities:
Restricted shares	—		120
Performance shares	—		10
Weighted-average common shares outstanding (diluted)	5,759		5,791
Net income (loss) per share – basic:	$	(0.13)	$	1.62
Net income (loss) per share – diluted:	$	(0.13)	$	1.59
Anti-dilutive weighted-average common shares excluded from calculation of diluted earnings per share	412		207

Schedule of Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss as shown on the consolidated balance sheets at September 30 are as follows:

	2021		2020
Foreign currency translation adjustment, net of income tax benefit of $0 and $0, respectively	$	(5,359)	$	(5,257)
Net retirement plan liability adjustment, net of income tax benefit of $(3,758) and $(3,758), respectively	(3,720)		(8,211)
Total accumulated other comprehensive loss	$	(9,079)	$	(13,468)

The following table provides additional details of the amounts recognized into net earnings from accumulated other comprehensive loss, net of tax:

	Foreign Currency Translation Adjustment		Retirement Plan Liability Adjustment		Accumulated Other Comprehensive Loss
Balance at September 30, 2019	$	(5,667)	$	(7,642)	$	(13,309)
Other comprehensive income (loss) before reclassifications	410		(1,560)		(1,150)
Amounts reclassified from accumulated other comprehensive loss	—		991		991
Net current-period other comprehensive income (loss)	410		(569)		(159)
Balance at September 30, 2020	(5,257)		(8,211)		(13,468)
Other comprehensive income (loss) before reclassifications	(102)		3,371		3,269
Amounts reclassified from accumulated other comprehensive loss	—		1,120		1,120
Net current-period other comprehensive income (loss)	(102)		4,491		4,389
Balance at September 30, 2021	$	(5,359)	$	(3,720)	$	(9,079)

Schedule of Reclassification Out of Accumulated Other Comprehensive Loss

The following table reflects the changes in accumulated other comprehensive loss related to the Company for September 30, 2021 and 2020:

	Amount reclassified from accumulated other comprehensive loss
Details about accumulated other comprehensive loss components	2021		2020		Affected line item in the Consolidated Statement of Operations
Amortization of Retirement plan liability:
Prior service costs	$	—	$	—	(1)
Net actuarial gain (loss)	4,217		(808)		(1)
Settlements/curtailments	274		239		(1)
	4,491		(569)		Total before taxes
	—		—		Income tax expense
	$	4,491	$	(569)	Net of taxes

(1) These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost. See Note 8, Retirement Benefit Plans, of the consolidated financial statements for further information.