Inventories - Narrative (Details) - USD ($) |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Oct. 31, 2021 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
| Inventory [Line Items] | ||||
| Proceeds from federal relief grants | $ 4,299,000 | $ 4,629,000 | $ 15,597,000 | |
| Insurance expenses incurred | $ 2,000,000,000 | |||
| Insurance Reimbursement Received | $ 1,000,000,000 | |||
| Year-End Adjustment | ||||
| Inventory [Line Items] | ||||
| Inventory casualty loss | $ 808,000 | |||
| X | ||||||||||
- Definition Insurance expenses incurred. No definition available.
|
| X | ||||||||||
- Definition Insurance reimbursement received. No definition available.
|
| X | ||||||||||
- Definition Proceeds From Federal Relief Grants No definition available.
|
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|