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Discontinued Operations (Details) - Public Safety & Security - Disposed of by Sale - USD ($) $ in Millions | 9 Months Ended | 40 Months Ended |
--- | --- | --- | ---
Sep. 26, 2021 | Sep. 26, 2021 | Jun. 11, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Purchase price, in cash |  |  | $ 69.0
Sale of discontinued operations |  | $ 70.0 |
Working capital adjustment | $ 6.9 |  |
Pending Litigation |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Working capital adjustment | $ 8.0 |  |

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