Number Of Asset Impairment Triggering Events

No definition available.

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- Definition

Number Of Long-Lived Asset Groups Under Impairment Review

+ References

No definition available.

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- Definition

Number of major customer.

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No definition available.

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- Definition

Amount of allowance for credit loss on accounts receivable.

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Amount of direct write-downs of accounts receivable charged against the allowance.

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of valuation reserve for inventory.

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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

Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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- Definition

The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

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No definition available.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2020 USD ($) customer shares	Sep. 30, 2019 USD ($) customer group event shares	Oct. 01, 2019 USD ($)
Accounting Policies [Line Items]
Allowance for doubtful accounts	$ 249	$ 592
Accounts receivable, written off	263	33
Bad debt expense	$ 80	$ 39
Percentage of inventory estimated using LIFO method	47.00%	27.00%
Reserve for obsolete and excess inventory	$ 3,676	$ 3,335
Depreciation expense	$ 5,883	$ 5,877
Number of asset impairment triggering events \| event		3
Number of long-lived asset groups under impairment review \| group		2
Anti-dilutive weighted-average common shares excluded from calculation of diluted earnings per share (in shares) \| shares	207,000	196,000
Operating lease right-of-use assets, net	$ 17,021	$ 0
Operating lease liability	$ 17,179
Topic 842
Accounting Policies [Line Items]
Operating lease right-of-use assets, net			$ 18,059
Operating lease liability			$ 18,059
Restricted shares
Accounting Policies [Line Items]
Anti-dilutive weighted-average common shares excluded from calculation of diluted earnings per share (in shares) \| shares	0	0
Minimum
Accounting Policies [Line Items]
Finite-lived intangible asset, useful life (in years)	1 year
Maximum
Accounting Policies [Line Items]
Finite-lived intangible asset, useful life (in years)	10 years
Building and Building Improvements \| Minimum
Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)	5 years
Building and Building Improvements \| Maximum
Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)	40 years
Machinery and Equipment \| Minimum
Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)	3 years
Machinery and Equipment \| Maximum
Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)	20 years
Computer Software \| Minimum
Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)	3 years
Computer Software \| Maximum
Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)	7 years
Customer Concentration Risk \| Sales Revenue, Net
Accounting Policies [Line Items]
Percentage of concentration risk	47.00%	44.00%
Number of major customers \| customer	3	3
Customer Concentration Risk \| Sales Revenue, Net \| Total Customers and Their Subcontractors
Accounting Policies [Line Items]
Percentage of concentration risk	49.00%	50.00%
Number of major customers \| customer	4	4
Customer Concentration Risk \| Sales Revenue, Net \| Major Customer One and Their Subcontractors
Accounting Policies [Line Items]
Percentage of concentration risk	16.00%	14.00%
Customer Concentration Risk \| Sales Revenue, Net \| Major Customer Two and Their Subcontractors
Accounting Policies [Line Items]
Percentage of concentration risk	13.00%	13.00%
Customer Concentration Risk \| Sales Revenue, Net \| Major Customer Three and Their Subcontractors
Accounting Policies [Line Items]
Percentage of concentration risk	10.00%	12.00%
Customer Concentration Risk \| Sales Revenue, Net \| Major Customer Four and Their Subcontractors
Accounting Policies [Line Items]
Percentage of concentration risk	10.00%	11.00%
Customer Concentration Risk \| Accounts Receivable
Accounting Policies [Line Items]
Number of major customers \| customer	2	2
Customer Concentration Risk \| Accounts Receivable \| Total Customers and Their Subcontractors
Accounting Policies [Line Items]
Number of major customers \| customer	3	3
Customer Concentration Risk \| Accounts Receivable \| Major Customer One and Their Subcontractors
Accounting Policies [Line Items]
Percentage of concentration risk	13.00%	15.00%
Customer Concentration Risk \| Accounts Receivable \| Major Customer Two and Their Subcontractors
Accounting Policies [Line Items]
Percentage of concentration risk	13.00%	14.00%
Customer Concentration Risk \| Accounts Receivable \| Major Customer Three and Their Subcontractors
Accounting Policies [Line Items]
Percentage of concentration risk	12.00%	12.00%
Customer Concentration Risk \| Accounts Receivable \| Customer One
Accounting Policies [Line Items]
Percentage of concentration risk	30.00%	10.00%
Customer Concentration Risk \| Accounts Receivable \| Customer Two
Accounting Policies [Line Items]
Percentage of concentration risk	30.00%	10.00%