Defined Benefit Plan, Number Of Company Sponsored Defined Benefit Pension Plans

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- Definition

Defined Benefit Plan, Number Of Defined Benefit Pension Plans

+ References

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- Definition

Defined Contribution Plan, Non-Elective Contribution Expense

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- Definition

Defined Contribution Plan, Non-Elective Contribution Per Hour, Amount

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- Definition

Multiemployer Plans, Withdrawal Obligation, Payment Period

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- Definition

Percentage of deferral participant contribution.

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- Definition

Percentage of eligible compensation of deferral contribution, maximum.

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- Definition

Percentage of eligible compensation of deferral contribution minimum.

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- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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- Definition

Amount of increase (decrease) in benefit obligation of defined benefit plan.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 18
-URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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No definition available.

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- Definition

Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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No definition available.

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Retirement Benefit Plans - Narrative (Details)	12 Months Ended
Retirement Benefit Plans - Narrative (Details)	Sep. 30, 2022 USD ($) plan	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jan. 01, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit pension plans \| plan	4
Decrease in benefit obligation	$ 6,535,000
Benefit obligation	22,795,000	$ 29,330,000	$ 31,793,000
Employer contributions	$ 77,000
Other debt withdrawal liability		739,000
Employer matching contribution percentage of employees' gross pay	100.00%
Percentage of eligible compensation of deferral contribution, minimum	1.00%
Percentage of eligible compensation	80.00%
Percentage of eligible compensation of deferral contribution, maximum	6.00%
Matching contribution expense for defined contribution plan	$ 528,000	571,000
Number of company sponsored defined benefit pension plans \| plan	2
Non-elective contribution expense	$ 204,000	$ 112,000
Maximum
Defined Benefit Plan Disclosure [Line Items]
Non-elective contribution per hour				$ 1.50
Minimum
Defined Benefit Plan Disclosure [Line Items]
Non-elective contribution per hour				$ 1.25
IAM National Pension Fund
Defined Benefit Plan Disclosure [Line Items]
Payment period		20 years