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SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 29, 2024 USD ($) strategicBusinessUnit local_media_operation state | Sep. 24, 2023 USD ($)
Noncontrolling Interest [Line Items] |  |
Number of media operations | local_media_operation | 73 |
Number of states in which the entity operates | state | 26 |
Inventory, LIFO reserve | $ 0.8 | $ 1.1
Number of strategic business units | strategicBusinessUnit | 50 |
Cash collateral for insurance | $ 6.7 | $ 7.0
Minimum |  |
Noncontrolling Interest [Line Items] |  |
Vesting or restriction period (in years) | 1 year |
Maximum |  |
Noncontrolling Interest [Line Items] |  |
Vesting or restriction period (in years) | 4 years |
TNI Partners |  |
Noncontrolling Interest [Line Items] |  |
Noncontrolling interest, ownership percentage by parent | 50.00% |
MNI |  |
Noncontrolling Interest [Line Items] |  |
Noncontrolling interest, ownership percentage by parent | 50.00% |
BLOX Digital |  |
Noncontrolling Interest [Line Items] |  |
Noncontrolling interest, ownership percentage by parent | 82.50% |

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