Restructuring - Additional Information (Detail) $ in Thousands	3 Months Ended			12 Months Ended
	Jan. 02, 2021 USD ($)	Jun. 27, 2020 USD ($)	Mar. 28, 2020 USD ($)	Jan. 02, 2021 USD ($) Employee	Dec. 28, 2019 USD ($)	Jan. 01, 2022 USD ($)
Restructuring Cost And Reserve [Line Items]
Revision in estimates		$ 22,500
Percentage of reduction in headcount				43.00%
Number of majority employee | Employee				10
Employee termination benefit costs	$ 19,632	2,251	$ 11,209	$ 25,103	$ 6,331
Lease termination and other related costs				7,989
Employee termination benefit costs net					4,727
Restructuring charges				33,092
Restructuring charges after tax	14,687	$ 1,680	$ 8,325	24,756
Payments for lease termination and related costs	645			645
Remaining lease termination and related cost liability	5,320			5,320
Scenario, Forecast
Restructuring Cost And Reserve [Line Items]
Anticipates recording restructuring expenses						$ 18,000
Employee Severance
Restructuring Cost And Reserve [Line Items]
Payments for expenses				15,434	5,077
Provisions				180	(83)
Restructuring remaining liability	9,849			9,849
Fiscal 2019
Restructuring Cost And Reserve [Line Items]
Restructuring liability	$ 0			0
Fiscal 2019 | Employee Severance
Restructuring Cost And Reserve [Line Items]
Payments for expenses				1,052
Provisions				(119)
Cost of Revenues
Restructuring Cost And Reserve [Line Items]
Employee termination benefit costs					1,425
Restructuring charges				23,300
Selling, General and Administrative Expenses
Restructuring Cost And Reserve [Line Items]
Employee termination benefit costs					$ 4,906
Restructuring charges				$ 9,792