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Revenue Recognition - Schedule of Revenue by Product (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 25, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 757.6	$ 807.2	$ 758.5
Power Products
Disaggregation of Revenue [Line Items]
Revenue	414.0	415.6	409.2
Materials Products
Disaggregation of Revenue [Line Items]
Revenue	$ 343.6	$ 391.6	$ 349.3

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