Covenants credit facility leverage ratio.

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Current ratio.

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Inventory financing additional available borrowings.

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New inventory from original invoice date period.

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Used inventory from used inventory date period.

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No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

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-Publisher FASB
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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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The average effective interest rate during the reporting period.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

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- Definition

Period of time between issuance and maturity of debt instrument, 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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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

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The effective interest rate during the reporting period.

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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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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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No definition available.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The carrying amount, as of the date of the latest financial statement presented, of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

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Short-Term Borrowings and Long-Term Debt - Additional Information (Detail) - USD ($)	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	May 31, 2020
Line Of Credit Facility [Line Items]
Additional borrowings	$ 82,000,000.0
Long-term debt	$ 7,343,000
Mortgage Facility [Member]
Line Of Credit Facility [Line Items]
Additional extension for two one-year periods	Aug. 31, 2027
Long-term debt	$ 7,400,000
Debt instrument description of variable rate basis	prime minus 100 basis points with a floor of 2.00%.
Debt instrument interest rate on amounts outstanding	2.25%
Principal and interest payments with a balloon payment	$ 4,000,000.0
Mortgage Facility [Member] \| Accrued Expenses [Member]
Line Of Credit Facility [Line Items]
Current portion of long-term debt	$ 507,000
Mortgage Facility [Member] \| Interest Rate Prime [Member]
Line Of Credit Facility [Line Items]
Interest rate for amounts outstanding under the Credit Facility	1.00%
Mortgage Facility [Member] \| Interest Rate Floor [Member]
Line Of Credit Facility [Line Items]
Debt instrument interest rate	2.00%
Minimum [Member]
Line Of Credit Facility [Line Items]
Current ratio	1.20%
Borrowing Base Amount and Aging Inventory [Member]
Line Of Credit Facility [Line Items]
Inventory and working capital needs	$ 144,400,000
Interest rate on short-term borrowings	4.20%	5.60%
Credit Facility [Member]
Line Of Credit Facility [Line Items]
Line of credit facility, term	3 years
Additional extension for two one-year periods	May 31, 2023
Interest rate for amounts outstanding under the Credit Facility	3.45%
Credit Facility [Member] \| Borrowing Base Amount and Aging Inventory [Member]
Line Of Credit Facility [Line Items]
Amount of borrowing availability			$ 440,000,000
Line of Credit Facility, Description	The Credit Facility has a three-year term and expires in May 2023, subject to extension for two one-year periods, with lender approval
Leverage ratio	2.75%
Credit Facility interest rate description	The interest rate for amounts outstanding under the Credit Facility is 345 basis points plus the greater of 75 basis points or the one-month LIBOR.
Debt instrument, covenant compliance	The covenants include provisions that our leverage ratio must not exceed 2.75 to 1.0 and that our current ratio must be greater than 1.2 to 1.0.
Interest rate for amounts outstanding under the Credit Facility	0.75%
Unused line fee on the unused portion of the amended Credit Facility	0.10%
New inventory mature date	1080 days
Used inventory maturity period	361 days
Real estate property pledged for collateral	$ 0