Reconciliation of Operating Income (Loss) from Segments to Consolidated By Reportable Segments (Parenthetical) (Detail) - USD ($) $ in Thousands	12 Months Ended
Jan. 03, 2022	Dec. 28, 2020	Dec. 30, 2019
Segment Reporting Information [Line Items]
Amortization of definite-lived intangibles	$ 5,641	$ 5,535	$ 4,822
Printed Circuit Board and RF&S Components
Segment Reporting Information [Line Items]
Amortization of definite-lived intangibles	$ 5,641	$ 5,535	$ 4,822

Amount of expense for allocation of cost of intangible asset over its useful life directly used in production of good and rendering of service.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(2))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

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