v3.25.2
Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Goodwill [Roll Forward]    
Balance at beginning of period $ 4,464,329 $ 4,512,700
Other reclassifications (See Note 21) (174,373)  
Foreign currency translation and other 181,128 (48,371)
Balance-end of period 4,471,084 4,464,329
Networking    
Goodwill [Roll Forward]    
Balance at beginning of period 1,036,592 1,036,204
Other reclassifications (See Note 21) 0  
Foreign currency translation and other 1,847 388
Balance-end of period 1,038,439 1,036,592
Materials    
Goodwill [Roll Forward]    
Balance at beginning of period 245,983 247,695
Other reclassifications (See Note 21) (8,577)  
Foreign currency translation and other 4,061 (1,712)
Balance-end of period 241,467 245,983
Lasers    
Goodwill [Roll Forward]    
Balance at beginning of period 3,181,754 3,228,801
Other reclassifications (See Note 21) (165,796)  
Foreign currency translation and other 175,220 (47,047)
Balance-end of period $ 3,191,178 $ 3,181,754