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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) $ in Thousands | 12 Months Ended
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Sep. 29, 2024 USD ($) | Sep. 24, 2023 USD ($) | Sep. 25, 2022 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill, impairment loss | $ 0 | $ 0 | $ 0
Goodwill attributable to the disposition of non-core operation | $ 1,464 | 0 |
Decrease in royalty rates | 5000.00% |  |
Non-amortized intangible assets | $ 7,758 | $ 7,671 | $ 14,203
Increase in discount rate | 10000.00% |  |
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] | Gain (Loss) on Disposition of Property Plant Equipment | Gain (Loss) on Disposition of Property Plant Equipment | Gain (Loss) on Disposition of Property Plant Equipment
Amortization expense | $ 17,200 | $ 19,000 | $ 22,200
Annual amortization of intangible assets, year one | 11,200 |  |
Annual amortization of intangible assets, year two | 7,100 |  |
Annual amortization of intangible assets, year three | 7,100 |  |
Annual amortization of intangible assets, year four | 5,700 |  |
Annual amortization of intangible assets, year five | 4,900 |  |
Non-Core Operations |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill attributable to the disposition of non-core operation | 1,300 |  | $ 1,300
Customer and Newspaper Subscriber Lists |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible asset, fully amortized | 44,500 |  |
Estimating Using Royalty Rate |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Non-amortized intangible assets | 4,600 |  |
Estimating Using Discount Rate |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Non-amortized intangible assets | $ 100 |  |
Minimum | Measurement Input, Royalty Rate |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets, measurement input | 0.000 |  |
Minimum | Measurement Input, Discount Rate |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets, measurement input |  |  | 0.1100
Maximum | Measurement Input, Royalty Rate |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets, measurement input | 0.010 |  |
Maximum | Measurement Input, Discount Rate |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets, measurement input | 0.1250 | 0.1300 |

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