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Discontinued Operations - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended
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Jul. 01, 2018 | Apr. 01, 2018 | Mar. 26, 2017
Public Safety & Security | Disposal Group, Held-for-sale, Not Discontinued Operations | Forecast |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Purchase price, in cash | $ 69.0 |  |
Proceeds from divestiture | 70.0 |  |
Working capital retained | $ 7.0 |  |
Herley | Disposed of by Sale |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Impact of revenue |  | $ 1.8 |
Impact of operating results |  | 2.0 |
Transaction-related costs |  | 0.8 |
Herley | Disposed of by Sale | Selling, General and Administrative Expenses |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Depreciation and amortization |  | $ 0.1 | $ 0.1

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- Definition Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760 + Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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