Equity - Awards Available for Grant (Details) - shares shares in Millions	12 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jul. 02, 2022
Awards Available for Grant
Balance as of beginning of period (in shares)	2.7	3.8	2.3
Authorized in connection with Cloud Light acquisition (in shares)	1.5
Assumed in connection with NeoPhotonics merger (in shares)		0.4
Replacement Awards (in shares)	(1.1)
Authorized (in shares)	3.0	0.9	3.0
Granted (in shares)	(2.7)	(2.4)	(1.7)
Canceled (in shares)	0.9	0.4	0.2
Balance as of end of period (in shares)	4.3	2.7	3.8
Replacement Awards
Awards Available for Grant
Replacement Awards (in shares)		(0.4)