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Acquisition (Details 1) - USD ($) $ in Thousands | Dec. 02, 2017 | Jun. 12, 2017 | Mar. 04, 2017 | Feb. 27, 2016
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 152,881 |  | $ 101,334 | $ 73,996
EFCO Corporation |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Net working capital |  | $ 34,156 |  |
Property, plant and equipment |  | 43,815 |  |
Goodwill |  | 57,460 |  |
Other intangible assets |  | 71,500 |  |
Less: Long-term liabilities acquired, net |  | 14,605 |  |
Net assets acquired |  | $ 192,326 |  |

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