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Reconciliation of Assets from Segment to Consolidated (Detail) - USD ($) $ in Thousands	Dec. 28, 2020	Dec. 30, 2019
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 2,895,944	$ 3,560,933
Operating Segment | Printed Circuit Board
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,489,121	2,088,229
Operating Segment | RF&S Components
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	227,990	38,536
Operating Segment | E-M Solutions
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	128,109	156,580
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 1,050,724	$ 1,277,588

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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