v3.26.1
Credit Facilities - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 27, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Debt Instrument [Line Items]        
Principal   $ 548,438 $ 578,906  
Loss on extinguishment of debt   $ 0 $ 6,132 $ 0
National Properties Facilities | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries        
Debt Instrument [Line Items]        
Long-term debt, percentage bearing variable interest rate, percentage rate   5.64%    
National Properties Facilities | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries | Debt Instrument, Redemption, Period Two | Measurement Input, Leverage Ratio        
Debt Instrument [Line Items]        
Debt instrument, measurement input   2.50    
National Properties Facilities | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries | Debt Instrument, Redemption, Period Three | Measurement Input, Leverage Ratio        
Debt Instrument [Line Items]        
Debt instrument, measurement input   3.50    
National Properties Facilities | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries | Minimum | Secured Overnight Financing Rate (SOFR)        
Debt Instrument [Line Items]        
Basis spread on variable rate 1.75%      
National Properties Facilities | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries | Minimum | Base Rate        
Debt Instrument [Line Items]        
Basis spread on variable rate 0.75%      
National Properties Facilities | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries | Maximum | Secured Overnight Financing Rate (SOFR)        
Debt Instrument [Line Items]        
Basis spread on variable rate 2.50%      
National Properties Facilities | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries | Maximum | Base Rate        
Debt Instrument [Line Items]        
Basis spread on variable rate 1.50%      
National Properties Facilities | Secured Debt | Debt Instrument, Redemption, Period One        
Debt Instrument [Line Items]        
Prepayment premium, debt instrument, interest rate, stated percentage   5.00%    
National Properties Facilities | Secured Debt | Debt Instrument, Redemption, Period Two        
Debt Instrument [Line Items]        
Prepayment premium, debt instrument, interest rate per quarter, stated percentage   1.25%    
Secured Debt | National Properties Facilities | Line of Credit | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries        
Debt Instrument [Line Items]        
Debt instrument term 5 years      
Face amount $ 609,375      
Revolving Credit Facility | National Properties Facilities | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries | Minimum        
Debt Instrument [Line Items]        
Commitment fee percentage 0.20%      
Revolving Credit Facility | National Properties Facilities | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries | Maximum        
Debt Instrument [Line Items]        
Commitment fee percentage 0.30%      
Revolving Credit Facility | National Properties Facilities | Line of Credit | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries        
Debt Instrument [Line Items]        
Debt instrument term 5 years      
Face amount $ 150      
Line of credit facility, remaining borrowing capacity   $ 131,831    
Letters of credit | National Properties Facilities | Line of Credit | MSG Entertainment Group, LLC. and MSG National Properties And Subsidiaries        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity $ 25      
Principal   $ 18,169