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Insider Trading Arrangements
 3 Months Ended 9 Months Ended
Jun. 30, 2024
shares
Jun. 30, 2024
shares
Trading Arrangements, by Individual    
Non-Rule 10b5-1 Arrangement Adopted false  
Rule 10b5-1 Arrangement Terminated false  
Non-Rule 10b5-1 Arrangement Terminated false  
Keith Robertson [Member]    
Trading Arrangements, by Individual    
Material Terms of Trading Arrangement  
On May 23, 2024, Keith Robertson, Chief Information Officer, entered into a prearranged trading plan to sell up to 89,830 shares of the Company’s Class A Non-Voting Common Stock between September 1, 2024 and December 31, 2024 pursuant to the terms of the plan. The plan is designed to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act and comply with the Company’s policies regarding stock transactions.
Name Keith Robertson  
Title Chief Information Officer  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date May 23, 2024  
Expiration Date December 31, 2024  
Arrangement Duration 121 days  
Aggregate Available 89,830 89,830