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Segment, Customers, and Geographic Information - Net Revenue from our Customers (Detail) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 30, 2023	Dec. 24, 2022	Dec. 30, 2023	Dec. 24, 2022
Revenue from External Customer [Line Items]
Net revenue	$ 237.0	$ 353.1	$ 474.7	$ 801.2
Core Io T [Member]
Revenue from External Customer [Line Items]
Net revenue		69.8		183.2
Enterprise And Automotive Product Applications [Member]
Revenue from External Customer [Line Items]
Net revenue	136.6	226.0	291.4	520.5
Core IOT Product Applications [Member]
Revenue from External Customer [Line Items]
Net revenue		239.3		582.0
Core IOT Product Applications [Member] | Core Io T [Member]
Revenue from External Customer [Line Items]
Net revenue	37.5	69.8	76.0	183.2
Mobile Product Applications [Member]
Revenue from External Customer [Line Items]
Net revenue	$ 62.9	57.3	$ 107.3	97.5
Mobile Product Applications [Member] | Core Io T [Member]
Revenue from External Customer [Line Items]
Net revenue		$ 0.0		$ 0.0

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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