Pension Plans and Other Postretirement Benefit Plan Defined Contribution Plan (Narrative) (Details) - MSG Networks - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Union Savings Plan
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Cost	$ 394	$ 215	$ 539
Employee | Savings Plans
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Cost	$ 9,217	$ 5,389	6,549
Corporate Employee | MSG Sports
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan, Cost			$ 1,240