Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) $ in Thousands	9 Months Ended
	Mar. 31, 2025 USD ($)
Goodwill [Roll Forward]
Balance-beginning of period	$ 4,464,329
Foreign currency translation	(6,369)
Balance-end of period	4,457,960
Networking
Goodwill [Roll Forward]
Balance-beginning of period	1,036,592
Foreign currency translation	371
Balance-end of period	1,036,963
Materials
Goodwill [Roll Forward]
Balance-beginning of period	245,983
Foreign currency translation	2,813
Balance-end of period	248,796
Lasers
Goodwill [Roll Forward]
Balance-beginning of period	3,181,754
Foreign currency translation	(9,553)
Balance-end of period	$ 3,172,201