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Acquisitions Acquisition (Details 2) - Sotawall $ in Thousands | Dec. 14, 2016 USD ($)
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Business Acquisition [Line Items] |
Total other intangible assets | $ 91,813
Technology |
Business Acquisition [Line Items] |
Finite lived intangibles | $ 6,319
Estimated useful life (in years) | 10 years
Backlog |
Business Acquisition [Line Items] |
Finite lived intangibles | $ 12,638
Estimated useful life (in years) | 1 year 6 months
Customer relationships |
Business Acquisition [Line Items] |
Finite lived intangibles | $ 60,523
Estimated useful life (in years) | 17 years
Tradename |
Business Acquisition [Line Items] |
Indefinite lived intangibles | $ 12,333

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