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Acquisitions - Consideration Paid (Details) - USD ($) $ in Millions |  |  | 6 Months Ended
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 15, 2020 | Jun. 27, 2021 | Jun. 28, 2020
Business Acquisition [Line Items] |  |  |  |
Total consideration |  |  | $ 6.2 | $ 15.5
CPI ASC Signal Division, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash paid | $ 34.9 | $ 35.0 |  |
Less: Cash acquired | (2.0) |  |  |
Total consideration | $ 32.9 |  |  |

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- Definition The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
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