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Quarterly Financial Information (Unaudited) (Tables) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Net sales | $ 106,566 | [1] | $ 114,644 | [2] | $ 135,994 | [3] | $ 126,310 | $ 139,138 | [4] | $ 176,059 | [5] | $ 171,419 | $ 137,907 | $ 415,375 | $ 537,214 |  | $ 561,899 |
Gross profit | 18,779 | [1] | 19,803 | [2] | 27,813 | [3] | 23,960 | 29,872 | [4] | 36,038 | [5] | 37,089 | 30,653 | 90,356 | 133,653 |  | 121,591 |
Net (loss) income | $ (40,851) | [1] | $ (5,982) | [2] | $ (91,996) | [3] | $ (2,832) | $ 3,328 | [4] | $ (57,422) | [5] | $ 5,362 | $ 4,285 | $ (141,660) | $ (44,445) |  | $ 25,656 |
Basic (loss) earnings per common share | $ (3.97) | [1] | $ (0.58) | [2] | $ (8.96) | [3] | $ (0.28) | $ 0.33 | [4] | $ (5.60) | [5] | $ 0.52 | $ 0.42 | $ (13.79) | $ (4.33) |  | $ 2.51 |
Diluted (loss) earnings per common share | (3.97) | [1] | (0.58) | [2] | (8.96) | [3] | (0.28) | 0.32 | [4] | (5.60) | [5] | 0.52 | 0.41 | (13.79) | (4.33) |  | 2.48 |
Dividends paid per common share | $ 0 | [1] | $ 0.04 | [2] | $ 0.04 | [3] | $ 0.04 | $ 0.04 | [4] | $ 0.04 | [5] | $ 0.04 | $ 0.04 | $ 0.12 | $ 0.16 |  | $ 0.13 |
Goodwill, Impairment Loss |  |  |  |  | $ 128,938 |  |  |  |  |  |  |  |  | $ 61,142 | $ 80,337 |  | $ 0 |
Pre-tax gain on sale of facility |  |  | $ 6,946 |  |  |  |  |  |  |  |  |  |  |  | $ 2,279 | [6] | $ 0 | [6]
Deferred Tax Liabilities, Undistributed Foreign Earnings | $ 7,932 |  |  |  |  |  |  |  |  |  |  |  |  | 7,932 |  |  |  |
Deferred Tax Assets, Valuation Allowance | $ 29,719 |  |  |  |  |  |  |  |  |  |  |  |  | $ 29,719 |  |  |  |
Tucson, AZ [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax gain on sale of facility |  |  |  |  |  |  |  | $ 2,279 |  |  |  |  |  |  |  |  |  |
Precise Structural Products Business [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, Impairment Loss |  |  |  |  |  |  |  |  |  | $ 80,337 |  |  |  |  |  |  |  |
[1] | Fourth quarter 2016 includes deferred U.S. income taxes and foreign withholding taxes of $7,932 on unremitted foreign earnings and a valuation allowance of $29,719 against deferred tax assets.
[2] | Third quarter 2016 includes $6,946
[3] | Second quarter 2016 includes $128,938 impairment of assets related to the Chemtec, Protective Coatings, IOS and Rail Technologies product groups.
[4] | Fourth quarter 2015 includes $2,279 pre-tax gain on sale of Tucson, AZ concrete tie facility.
[5] | Third quarter 2015 includes $80,337 impairment of goodwill related to the IOS and Chemtec reporting units.
[6] | On December 23, 2015, the Company sold certain assets related to the former Tucson, AZ precast concrete tie facility for $2,750 resulting in a pre-tax gain on sale of $2,279.

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