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INVESTMENTS IN ASSOCIATED COMPANIES - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 29, 2024 | Sep. 24, 2023 | Sep. 25, 2022
Schedule of Equity Method Investments [Line Items] |  |  |
Equity method investments | $ 27,941 | $ 27,819 |
Goodwill | 328,040 | 329,504 | $ 329,504
Editorial service costs | 301,950 | 323,067 | 344,905
TNI Partners |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Distributions from equity method investments | $ 3,200 | 3,600 | 3,800
Equity method investments, ownership percentage | 50.00% |  |
Equity method investments | $ 15,100 | 15,100 |
Goodwill | 12,400 |  |
Other intangible assets | 2,300 |  |
TNI Partners | Editorial Services |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Editorial service costs | 3,900 | 4,400 | 5,200
MNI |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Distributions from equity method investments | $ 1,200 | 2,200 | 1,300
Equity method investments, ownership percentage | 50.00% |  |
Equity method investments | $ 12,800 | 12,800 |
Editorial service fees | $ 5,500 | $ 5,400 | $ 5,600

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