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Acquisitions (Details) - Georgia-Pacific Engineered Wood Products Production Facilities [Member] - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Mar. 31, 2016 | Sep. 30, 2016 | Sep. 30, 2016
Business Acquisition [Line Items] |  |  |  |
Purchase price of acquisition |  | $ 215,900 |  |
Purchase price post-closing adjustment |  |  | $ 300 |
Acquisition related costs |  |  |  | $ 3,600
Business Acquisition, Pro Forma Information [Abstract] |  |  |  |
Sales |  |  |  | 3,018,876
Net income | [1] |  |  | $ 37,305
Net income per common share - Basic and Diluted |  |  |  | $ 0.96
Asset-based revolving credit facility [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition related borrowings |  | 55,000 |  |
Medium-term notes [Member] | Term Loan Due 2026 [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition related borrowings |  | $ 75,000 |  |
[1] | The pro forma financial information for the nine months ended September 30, 2016, was adjusted to exclude $3.6 million of pre-tax acquisition-related costs for legal, accounting, and other advisory-related services.

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