GOODWILL AND OTHER INTANGIBLE ASSETS - Estimation of Fair Value (Details) - Income Approach - Radio Broadcasting Licenses	Jun. 30, 2025
Discount rate \| Minimum
Indefinite-Lived Intangible Assets [Line Items]
Measurement input	0.095
Revenue growth rate range \| Minimum
Indefinite-Lived Intangible Assets [Line Items]
Measurement input	(0.032)
Revenue growth rate range \| Maximum
Indefinite-Lived Intangible Assets [Line Items]
Measurement input	0.003
Mature market share range \| Minimum
Indefinite-Lived Intangible Assets [Line Items]
Measurement input	0.008
Mature market share range \| Maximum
Indefinite-Lived Intangible Assets [Line Items]
Measurement input	0.330
Operating profit margin range \| Minimum
Indefinite-Lived Intangible Assets [Line Items]
Measurement input	0.008
Operating profit margin range \| Maximum
Indefinite-Lived Intangible Assets [Line Items]
Measurement input	0.300

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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