Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.

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Exercise price per share or per unit of warrants or rights outstanding.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Stockholders’ Equity and Pre-funded Warrants - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 26, 2026	Dec. 09, 2024	Jan. 14, 2025	Sep. 29, 2025	Jun. 28, 2026	Jun. 29, 2025	Jun. 30, 2024	Mar. 29, 2026
Subsidiary, Sale of Stock [Line Items]
Proceeds from issuance of Old Common Stock				$ 0.0	$ 0.0	$ 203.9	$ 23.4
Pre-funded Warrants
Subsidiary, Sale of Stock [Line Items]
Warrants outstanding (in shares)					2,000,000.0
ATM Program
Subsidiary, Sale of Stock [Line Items]
Maximum aggregate offering price for sale of stock		$ 200.0
Proceeds from issuance of Old Common Stock			$ 200.0
Number of shares issued (in shares)			27,800,000
Sale of stock, price per share (in dollars per share)			$ 7.20
Value of common stock sold			$ 195.2
Commissions and offering costs			4.0
Other offering costs			$ 0.8
Securities Purchase Agreement
Subsidiary, Sale of Stock [Line Items]
Number of shares issued (in shares)	3,250,030
Sale of stock, price per share (in dollars per share)	$ 18.458
Proceeds from issuance or sale of equity	$ 96.9
Equity issuance costs	$ 3.6
Securities Purchase Agreement \| Pre-funded Warrants
Subsidiary, Sale of Stock [Line Items]
Sale of stock, price per share (in dollars per share)	$ 18.448							$ 18.45
Number of securities called by warrants (in shares)	2,000,000
Warrant exercise price (USD per share)	$ 0.01