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Acquisition Activity (Narrative) (Details) - Dynamic Systems Inc. - USD ($) |  | 3 Months Ended |
--- | --- | --- | ---
Nov. 01, 2019 | Dec. 31, 2019 | Mar. 28, 2020
Business Acquisition [Line Items] |  |  |
Purchase price | $ 40,481,000 |  |
Potential earn out | 3,000,000.0 |  |
Contingent consideration | $ 0 |  | $ 0
Acquisition related costs |  | $ 400,000 |
Patents and acquired technology |  |  |
Business Acquisition [Line Items] |  |  |
Finite-lived intangible assets, weighted average useful lives | 16 years |  |
Customer relationships |  |  |
Business Acquisition [Line Items] |  |  |
Finite-lived intangible assets, weighted average useful lives | 15 years |  |

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