v3.26.1
Equity-Accounted Investments And Other Long-Term Assets (Summary Of Movement In Equity-Accounted Investments) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Schedule of Equity Method Investments [Line Items]      
Balance $ 166,254 $ 173,228 $ 178,006
Net (loss) income 2,512 (91,087) (18,515)
Balance 205,352 166,254 173,228
Balance at beginning of period 396,283    
Balance at end of period 414,964 396,283  
Equity-accounted Investees [Member]      
Schedule of Equity Method Investments [Line Items]      
Impairment (34)    
Other [Member] | Equity-accounted Investees [Member]      
Schedule of Equity Method Investments [Line Items]      
Impairment (34)    
Equity-accounted Investees [Member]      
Schedule of Equity Method Investments [Line Items]      
Balance 199 206  
Comprehensive (loss) income 215 114  
Other comprehensive income   0  
Net (loss) income 215 114  
Share of net income 215 114  
Dividends received (105) (96)  
Sale of shares in equity-accounted investment   (507)  
Equity-accounted investment acquired in business combination (Note 3)   477  
Foreign currency adjustment 20 5  
Balance 295 199 206
Equity-accounted Investees [Member] | Other [Member]      
Schedule of Equity Method Investments [Line Items]      
Balance 199 206  
Comprehensive (loss) income 215 114  
Other comprehensive income   0  
Net (loss) income 215 114  
Share of net income 215 114  
Dividends received (105) (96)  
Sale of shares in equity-accounted investment   (507)  
Equity-accounted investment acquired in business combination (Note 3)   477  
Foreign currency adjustment 20 5  
Balance $ 295 $ 199 $ 206