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Leases - Narrative (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
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Jun. 30, 2023 | Jul. 01, 2022 | Sep. 30, 2022
Lessee, Lease, Description [Line Items] |  |  |
Impairment of long-lived assets and equity method investment | $ 38,131 | $ 74,585 |
Right-of-Use Lease Asset |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Impairment of long-lived assets and equity method investment | 33,100 |  | $ 56,600
Other Long-Lived Assets |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Impairment of long-lived assets and equity method investment | $ 5,000 |  | $ 18,000

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