Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 27, 2024	Dec. 29, 2023	Dec. 27, 2024	Dec. 29, 2023
Significant Accounting Policies [Line Items]
Loss from operations	$ (4,408)	$ (30,651)	$ (12,701)	$ (47,914)
Net loss	$ (12,415)	$ (53,929)	$ (25,833)	$ (94,130)
Diluted (in shares)	58,561	57,424	58,454	57,314
Contracts Accounted for under Percentage of Completion
Significant Accounting Policies [Line Items]
Net loss	$ (3,218)	$ (22,375)	$ (9,272)	$ (34,977)
Diluted net loss per share (usd per share)	$ (0.05)	$ (0.39)	$ (0.16)	$ (0.61)