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Credit Facilities and Convertible Notes - MSG Networks Credit Facilities - Narrative (Details)		12 Months Ended
	Oct. 11, 2019 USD ($)	Jun. 30, 2024 USD ($)
MSG Networks Credit Facilities \| Measurement Input, Default Rate \| MSG Networks
Debt Instrument [Line Items]
Debt instrument, interest rate, increase (decrease)	2.00%
MSG Networks Credit Facilities \| Measurement Input Leverage Ratio
Debt Instrument [Line Items]
Debt instrument, measurement input		5.10
MSG Networks Credit Facilities \| Measurement Input Leverage Ratio \| Incremental Adjustment
Debt Instrument [Line Items]
Debt instrument, measurement input		6.00
MSG Networks Credit Facilities \| Measurement Input, Interest Coverage Ratio
Debt Instrument [Line Items]
Debt instrument, measurement input		2.25
MSG Networks Credit Facilities \| Revolving Credit Facility \| MSG Networks
Debt Instrument [Line Items]
Long-term debt, term	5 years
Letters of credit outstanding, amount	$ 35,000,000
Principal		$ 0
MSG Networks Credit Facilities \| Minimum \| MSG Networks
Debt Instrument [Line Items]
Commitment fee percentage	0.225%
MSG Networks Credit Facilities \| Minimum \| Measurement Input, Interest Coverage Ratio
Debt Instrument [Line Items]
Debt instrument, measurement input		2.00
MSG Networks Credit Facilities \| Maximum \| MSG Networks
Debt Instrument [Line Items]
Commitment fee percentage	0.30%
MSG Networks Credit Facilities \| Maximum \| Measurement Input Leverage Ratio
Debt Instrument [Line Items]
Debt instrument, measurement input		5.50
MSG Networks Credit Facilities \| Base Rate \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.25%
MSG Networks Credit Facilities \| Base Rate \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.25%
MSG Networks Credit Facilities \| Secured Overnight Financing Rate (SOFR) \| MSG Networks
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.10%
MSG Networks Credit Facilities \| Secured Overnight Financing Rate (SOFR) \| Minimum \| MSG Networks
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.25%
MSG Networks Credit Facilities \| Secured Overnight Financing Rate (SOFR) \| Maximum \| MSG Networks
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.25%
Secured Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 1,100,000,000
Secured Debt \| MSG Networks
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		7.44%
Revolving Credit Facility \| MSG Networks
Debt Instrument [Line Items]
Debt instrument, face amount	$ 250,000,000