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Commitments and Contingencies - Narrative (Details) $ in Millions		3 Months Ended
	Jan. 08, 2025 lawsuit	Sep. 28, 2025 USD ($)	Sep. 29, 2024 USD ($)	Jun. 30, 2024 USD ($)	Jun. 25, 2023 USD ($)
Loss Contingencies [Line Items]
Loss contingency, number of additional lawsuits \| lawsuit	2
Purchase Commitment 2023
Loss Contingencies [Line Items]
Purchase commitment, amount committed					$ 200.0
Current purchases under agreement		$ 4.4	$ 6.7
Product purchases remainder of fiscal year		36.9
Product purchases year one		38.0
Product purchases year two		40.0
Product purchases year three		42.0
Capacity reserve deposit		60.0
Prepaid supplies		60.0
Purchase Commitment 2024
Loss Contingencies [Line Items]
Purchase commitment, amount committed				$ 86.4
Current purchases under agreement		7.2	$ 7.2
Product purchases remainder of fiscal year		24.0
Product purchases year one		9.6
Electricity For Siler City, North Carolina Facilities
Loss Contingencies [Line Items]
Purchase commitment, amount committed		$ 60.7
Purchase Commitment, Period		4 years
Electricity For Durham, North Carolina Facilities
Loss Contingencies [Line Items]
Purchase commitment, amount committed		$ 24.6
Purchase Commitment, Period		8 years