Defined Benefit Plan, Number Of Defined Benefit Pension Plans

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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, Funded Status, Percent

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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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Percentage of eligible compensation of deferral contribution minimum.

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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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No definition available.

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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 http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4587-114921

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- Definition

Amount of cost for defined contribution plan.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://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.

+ References

No definition available.

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Retirement Benefit Plans - Narrative (Details)	12 Months Ended
Retirement Benefit Plans - Narrative (Details)	Sep. 30, 2020 USD ($) plan	Sep. 30, 2019 USD ($)	Jan. 01, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of defined benefit pension plans \| plan	4
Employer contributions	$ 245,000
Plan funded percentage	89.00%
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	$ 648,000	$ 470,000
Non-elective contribution per hour			$ 1.50
Non-elective contribution expense	$ 56,000
IAM National Pension Fund
Defined Benefit Plan Disclosure [Line Items]
Payment period	20 years