Summary of Significant Accounting Policies (Details) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended								10 Months Ended	12 Months Ended
	Apr. 17, 2020	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Apr. 17, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income		$ (99,205)	$ (19,306)	$ 5,019	$ (76,655)	$ (40,290)	$ (25,838)	$ (60,075)	$ (40,316)		$ (190,147)	$ (166,519)	$ 149,813
Advertising costs											30,869	24,787	$ 30,985
Investment owned (in shares)	23,992
Operating lease ROU assets		446,499				280,579					446,499	280,579
Current operating lease liabilities		65,310				73,423					65,310	73,423
Long-term operating lease liabilities		427,971				233,556					427,971	233,556
Restricted cash		$ 17,470				$ 22,984					$ 17,470	22,984
Customer Relationships
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected life of show's assets											24 years
Non-Compete Agreements
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected life of show's assets											5 years 9 months
Festival Rights
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected life of show's assets											7 years
Other Intangible Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected life of show's assets											15 years
Minimum | Trade Names
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected life of show's assets											2 years
Minimum | Venue Management Contracts
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected life of show's assets											5 years 8 months 1 day
Maximum | Trade Names
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected life of show's assets											25 years
Maximum | Venue Management Contracts
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Expected life of show's assets											20 years
Buildings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, Plant and Equipment, Useful Life											40 years
Equipment | Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, Plant and Equipment, Useful Life											1 year
Equipment | Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, Plant and Equipment, Useful Life											30 years
Aircraft
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, Plant and Equipment, Useful Life											20 years
Furniture and fixtures | Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, Plant and Equipment, Useful Life											1 year
Furniture and fixtures | Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, Plant and Equipment, Useful Life											10 years
The Garden | MSG Sports
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating Lease, Lease Income											$ 68,072	$ 21,345
MSG Sports Corp
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Venue usage charge										$ 45,358