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Summary of Restructuring Costs (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jun. 29, 2020	Jun. 29, 2020	Jul. 01, 2019	Jun. 29, 2020	Jul. 01, 2019
Reportable Segment:
Restructuring charges	$ 13,414
General and administrative
Reportable Segment:
Restructuring charges		$ 13,414	$ 2,732	$ 13,742	$ 3,164
General and administrative | Employee Separation/ Severance
Reportable Segment:
Restructuring charges		13,077	2,724	13,386	3,148
General and administrative | Contract Termination and Other Costs
Reportable Segment:
Restructuring charges		337	8	356	16
General and administrative | Reportable Segment | Printed Circuit Board
Reportable Segment:
Restructuring charges		(7)	2,564	6	2,988
General and administrative | Reportable Segment | E-M Solutions
Reportable Segment:
Restructuring charges		13,377		13,685
General and administrative | Reportable Segment | Employee Separation/ Severance | Printed Circuit Board
Reportable Segment:
Restructuring charges		(8)	2,564	(8)	2,988
General and administrative | Reportable Segment | Employee Separation/ Severance | E-M Solutions
Reportable Segment:
Restructuring charges		13,085		13,394
General and administrative | Reportable Segment | Contract Termination and Other Costs | Printed Circuit Board
Reportable Segment:
Restructuring charges		1		14
General and administrative | Reportable Segment | Contract Termination and Other Costs | E-M Solutions
Reportable Segment:
Restructuring charges		292		291
General and administrative | Corporate
Reportable Segment:
Restructuring charges		44	168	51	176
General and administrative | Corporate | Employee Separation/ Severance
Reportable Segment:
Restructuring charges			160		160
General and administrative | Corporate | Contract Termination and Other Costs
Reportable Segment:
Restructuring charges		$ 44	$ 8	$ 51	$ 16

X

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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