Pension Plans and Other Postretirement Benefit PlansMultiemployer Defined Contribution Pension Plans and Multiemployer Plans That Provide Health and Welfare Benefits (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Other Pension Plan - Multi-Employers Defined Contribution
Multiemployer Plan [Line Items]
Madison Square Garden contributions	$ 5,793	$ 1,706	$ 6,398