Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 24, 2023
Income Statement [Abstract]
Net revenue	$ 1,074.3	$ 959.4	$ 1,355.1
Cost of revenue	593.9	519.6	639.2
Gross margin	480.4	439.8	715.9
Operating expenses:
Research and development	346.8	336.3	351.2
Selling, general and administrative	180.3	161.3	175.0
Acquired intangibles amortization	16.7	17.3	35.4
Intangible asset impairment charge	13.8	16.0	0.0
Restructuring costs	16.9	10.5	0.0
Total operating expenses	574.5	541.4	561.6
Operating (loss)/income	(94.1)	(101.6)	154.3
Interest and other income	26.9	42.3	27.2
Interest expense	(39.8)	(65.3)	(55.5)
Loss on early extinguishment of debt	(6.5)	0.0	0.0
(Loss)/income before provision for income taxes	(113.5)	(124.6)	126.0
(Benefit)/provision for income taxes	(65.7)	(250.2)	52.4
Net (loss)/income	$ (47.8)	$ 125.6	$ 73.6
Net (loss)/income per share:
Basic (in dollars per share)	$ (1.22)	$ 3.20	$ 1.86
Diluted (in dollars per share)	$ (1.22)	$ 3.16	$ 1.83
Shares used in computing net (loss)/income per share:
Basic (in shares)	39.3	39.2	39.6
Diluted (in shares)	39.3	39.7	40.2