Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Restructuring Charges - Additional Information (Detail) $ in Thousands		12 Months Ended
	Apr. 29, 2020 Facility	Dec. 28, 2020 USD ($)	Dec. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges \| $		$ 16,764	$ 5,380	$ 4,660
Accelerated depreciation expense \| $		6,705
E-M Solutions
Restructuring Cost and Reserve [Line Items]
Number of manufacturing facilities \| Facility	3
Restructuring charges \| $		$ 16,573
E-M Solutions \| Shanghai
Restructuring Cost and Reserve [Line Items]
Number of manufacturing facilities \| Facility	2
E-M Solutions \| Shenzhen
Restructuring Cost and Reserve [Line Items]
Number of manufacturing facilities \| Facility	1