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Loss Per Common Share - Narrative (Details)	3 Months Ended		6 Months Ended
	Mar. 24, 2024 shares	Mar. 26, 2023 shares	Mar. 24, 2024 shares	Mar. 26, 2023 shares	Mar. 28, 2024 $ / shares shares
Subsequent Event [Line Items]
Anti-dilutive shares excluded (in shares)	66,249	68,186	66,249	68,186
Rights Agreement | Subsequent Event
Subsequent Event [Line Items]
Dividends declared, number of preferred share purchase rights					1
Class of warrant or right, exercise price of warrants or rights (in dollars per share) | $ / shares					$ 90.00
Class of warrant or right, number of securities called by each warrant or right (in shares)					0.001
Preferred share purchase rights, terms of exercisability, ownership percentage					0.15
Preferred share purchase rights, discount rate for purchase of additional shares, percentage					0.50
Preferred stock purchase rights, number of common shares issued in lieu of discount					1

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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