Summary of Significant Accounting Policies - Schedule of Revenue Recognition (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 30, 2023
Significant Accounting Policies [Line Items]
Loss from operations	$ (21,070)	$ (73,245)	$ (56,266)
Net loss	$ (19,627)	$ (147,754)	$ (21,685)
Diluted (in shares)	58,746	57,738	56,554
Contracts Accounted for under Percentage of Completion
Significant Accounting Policies [Line Items]
Net loss	$ (15,381)	$ (53,469)	$ (41,074)
Diluted net loss per share (usd per share)	$ (0.26)	$ (0.93)	$ (0.73)