Acquisitions, Divestiture and Investment - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions				1 Months Ended		12 Months Ended
	Aug. 30, 2021	Jul. 17, 2020	Jul. 02, 2020	Dec. 31, 2020	Apr. 30, 2020	Jun. 25, 2022	Jun. 26, 2021	Jun. 27, 2020	Dec. 25, 2021	Jul. 31, 2020
Business Acquisition [Line Items]
Goodwill						$ 806.6	$ 570.0	$ 360.8
Allocation of Stock Based Compensation Replacement Awards						1.7
Net revenue						1,739.7	1,339.6	1,333.9
Gain on sale of assets						0.0	0.0	$ 105.1
Asset Purchase Agreement [Member]
Business Acquisition [Line Items]
Proceeds From Divestiture Of Businesses Net Of Cash Divested				$ 35.0	$ 138.7
Gain on sale of assets				$ 34.2	105.1
Assets held for sale					$ 33.6
Display Link Corporation Member
Business Acquisition [Line Items]
Acquisition agreement date		Jul. 17, 2020
Business acquisition, ownership percentage		100.00%
Cash		$ 305.0
Purchase price held in escrow		$ 3.1
Acquisition closing effective date		Jul. 31, 2020
Net cash transferred						444.0
Goodwill							0.9			$ 106.4
Increase in prepaid expense							2.3
Decrease in other accrued liabilities							0.8
Other long-term liabilities							1.4
Fair value of other acquired net tangible assets							1.7
Business acquisition, Goodwill expected income tax deductible amount						0.0
Net revenue						$ 115.3	110.0
Pro forma adjustments to net income/(loss)							1.1
Prepaid expenses and other current assets										$ 9.1
Decrease in other accrued liabilities							(0.8)
Display Link Corporation Member | Maximum [Member]
Business Acquisition [Line Items]
Discount Rate						11.50%
Display Link Corporation Member | Minimum [Member]
Business Acquisition [Line Items]
Discount Rate						11.00%
Broadcom Wireless Connectivity [Member]
Business Acquisition [Line Items]
Acquisition agreement date			Jul. 02, 2020
Cash			$ 250.0
Acquisition closing effective date			Jul. 23, 2020
Net revenue						$ 228.8	100.4
Business combination description			We acquired these assets and assumed certain liabilities from Broadcom in order to obtain wireless connectivity technology which will enhance our current IoT business.
Transition agreements duration			3 years
Business combination, cost of services						$ 5.8	15.8
Discount Rates Applied To Estimated Cash Flows For Order Backlog						2.20%
Discount Rates Applied To Estimated Cash Flows For All Intangible Assets Acquired						13.00%
Broadcom Wireless Connectivity [Member] | Derivative And Roadmap Product Agreement
Business Acquisition [Line Items]
Net cash transferred						$ 3.5
Business combination, cost of services						25.0
Cash payments to employees from acquisitions						2.0
DSPG Member
Business Acquisition [Line Items]
Acquisition agreement date	Aug. 30, 2021
Acquisition closing effective date	Dec. 02, 2021
Goodwill						236.6			$ 256.6
Business acquisition price per share	$ 22.00
Net revenue						83.8
Increase decrease in net income						5.9	$ 86.3
Prepaid expenses and other current assets						$ 4.0
DSPG Member | Maximum [Member]
Business Acquisition [Line Items]
Discount Rate						18.00%
DSPG Member | Minimum [Member]
Business Acquisition [Line Items]
Discount Rate						4.00%