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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2015
Income Taxes [Abstract] |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | 2015 |  | 2014
Deferred tax liabilities: |  |  |  |
Goodwill and other intangibles | $ | (5,801) | $ | (10,800)
Depreciation |  | (14,134) |  | (3,763)
Inventories |  | - |  | (3,188)
Investment in LB Pipe joint venture |  | (572) |  | (553)
Other |  | (741) |  | (527)
Total deferred tax liabilities |  | (21,248) |  | (18,831)
Deferred tax assets: |  |  |  |
Pension and post-retirement liability |  | 1,801 |  | 2,147
Warranty reserve |  | 3,153 |  | 4,180
Deferred compensation |  | 2,275 |  | 1,755
Accounts receivable |  | 622 |  | 369
Contingent liabilities |  | 2,087 |  | 667
Long-term insurance reserves |  | 655 |  | 660
Net operating loss / tax credit carryforwards |  | 1,006 |  | 883
Other |  | 949 |  | 645
Total deferred tax assets |  | 12,548 |  | 11,306
Net deferred tax liability | $ | (8,700) | $ | (7,525)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | 2015 |  | 2014 |  | 2013
Current: |  |  |  |  |  |
Federal | $ | 5,571 | $ | 11,488 | $ | 8,785
State |  | 1,540 |  | 1,491 |  | 837
Foreign |  | 1,339 |  | 3,339 |  | 1,982
Total current |  | 8,450 |  | 16,318 |  | 11,604
Deferred: |  |  |  |  |  |
Federal |  | (12,016) |  | (2,321) |  | 3,200
State |  | (2,014) |  | (122) |  | 273
Foreign |  | (552) |  | (471) |  | (229)
Total deferred |  | (14,582) |  | (2,914) |  | 3,244
Total income tax (benefit) expense | $ | (6,132) | $ | 13,404 | $ | 14,848
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
|  | 2015 |  | 2014 |  | 2013
Domestic | $ | (55,061) | $ | 30,766 | $ | 37,306
Foreign |  | 4,484 |  | 8,294 |  | 6,832
(Loss) income from operations, before income taxes | $ | (50,577) | $ | 39,060 | $ | 44,138
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| 2015 |  | 2014 |  | 2013 |
Statutory rate | 35.0 | % | 35.0 | % | 35.0 | %
Foreign tax rate differential | 0.8 |  | (2.2) |  | (1.7) |
State income taxes, net of federal benefit | 0.3 |  | 2.7 |  | 2.6 |
Non-deductible goodwill impairment | (25.2) |  | - |  | - |
Non-deductible expenses | (0.9) |  | 1.8 |  | 0.6 |
Change in liability for unrecognized tax benefits | 0.4 |  | (0.8) |  | (1.9) |
Domestic production activities deduction | 1.0 |  | (2.2) |  | (1.2) |
Other | 0.7 |  | - |  | 0.2 |
| 12.1 | % | 34.3 | % | 33.6 | %
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
|  | 2015 |  | 2014
Unrecognized tax benefits at beginning of period: | $ | 1,013 | $ | 1,509
Increases based on tax positions for prior periods |  | 147 |  | 18
Decreases based on tax positions for prior periods |  | - |  | (325)
Decreases related to settlements with taxing authorities |  | (578) |  | (126)
Decreases as a result of a lapse of the applicable statute of limitations |  | - |  | (63)
Balance at end of period | $ | 582 | $ | 1,013

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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