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ACQUISITION AND DIVESTITURE Acquisition (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jun. 12, 2018 | Sep. 30, 2018 | Oct. 01, 2017 | Sep. 30, 2018 | Oct. 01, 2017
Business Acquisition [Line Items] |  |  |  |  |
Cash purchase price, net of cash acquired |  |  |  | $ 22,742 | $ 0
Acquisition-related costs |  | $ 1,226 | $ 0 | 1,683 | $ 0
TMP |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash purchase price, net of cash acquired | $ 22,742 |  |  |  |
Cash acquired from acquisition | $ 7,000 |  |  |  |
Acquisition-related costs |  | $ 1,226 |  | $ 1,683 |

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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=109223946&loc=d3e3179-108585 + Details
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