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Segment Information - Additional Information (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 27, 2020 USD ($) | Sep. 29, 2019 USD ($) | Sep. 27, 2020 USD ($) segment | Sep. 29, 2019 USD ($)
Segment Reporting [Abstract] |  |  |  |
Number of reportable segments | segment |  |  | 2 |
Business Acquisition [Line Items] |  |  |  |
Merger and acquisition expenses | $ 0.1 | $ 0.1 | $ 1.5 | $ 1.9
CPI ASC Signal Division, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger and acquisition expenses | $ 0.1 |  | $ 1.1 |
FTT |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger and acquisition expenses |  | $ 0.0 |  | $ 1.3

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599 + Details
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- Details
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- Details
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