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Retirement Plans (Tables) | 12 Months Ended
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Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Costs of Retirement Plans [Table Text Block] |
|  | 2014 |  | 2013 |  | 2012
United States | $ | 2,425 | $ | 2,151 | $ | 2,107
Canada |  | 227 |  | 266 |  | 269
United Kingdom |  | 158 |  | 136 |  | 116
| $ | 2,810 | $ | 2,553 | $ | 2,492
United States Pension Plans of US Entity, Defined Benefit [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] |
|  | 2014 |  | 2013
Changes in benefit obligation: |  |  |  |
Benefit obligation at beginning of year | $ | 16,112 | $ | 18,034
Service cost |  | 23 |  | 33
Interest cost |  | 771 |  | 707
Actuarial loss (gain) |  | 2,753 |  | (1,924)
Benefits paid |  | (734) |  | (738)
Benefit obligation at end of year | $ | 18,925 | $ | 16,112
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] |
Change to plan assets: |  |  |  |
Fair value of assets at beginning of year | $ | 15,039 | $ | 13,262
Actual gain on plan assets |  | 601 |  | 2,019
Employer contribution |  | 299 |  | 496
Benefits paid |  | (734) |  | (738)
Fair value of assets at end of year |  | 15,205 |  | 15,039
Funded status at end of year | $ | (3,720) | $ | (1,073)
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] |
Amounts recognized in the consolidated balance sheet consist of: |  |  |  |
Other long-term liabilities | $ | (3,720) | $ | (1,073)
Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block] |
Amounts recognized in accumulated other comprehensive income consist of: |  |  |  |
Net loss | $ | 4,429 | $ | 1,375
Prior service cost |  | 3 |  | 4
| $ | 4,432 | $ | 1,379
Schedule of Net Benefit Costs [Table Text Block] |
|  | 2014 |  | 2013 |  | 2012 |
Components of net periodic benefit cost: |  |  |
Service cost | $ | 23 | $ | 33 | $ | 31 |
Interest cost |  | 771 |  | 707 |  | 748 |
Expected return on plan assets |  | (968) |  | (856) |  | (810) |
Amortization of prior service cost |  | 1 |  | 1 |  | 1 |
Recognized net actuarial loss |  | 65 |  | 212 |  | 194 |
Net periodic pension (income) cost | $ | (108) | $ | 97 | $ | 164 |
Schedule of Assumptions Used [Table Text Block] | The weighted average assumptions in the following table represent the rates used to develop the actuarial present value of the projected benefit obligation for the year listed and also the net periodic benefit cost for the following year.
|  | 2014 |  | 2013 |  | 2012 |
Discount rate |  | 4.0 | % | 4.9 | % | 4.0 | %
Expected rate of return on plan assets |  | 5.5 | % | 6.5 | % | 6.5 | %
Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] |
|  |  |  | 2014 |  | 2013 |
Projected benefit obligation |  |  | $ | 18,925 | $ | 12,513 |
Accumulated benefit obligation |  |  |  | 18,925 |  | 12,513 |
Fair value of plan assets |  |  | $ | 15,205 | $ | 11,321 |
Schedule of Allocation of Plan Assets [Table Text Block] |
|  | Target |  | 2014 |  | 2013 |
Asset Category |  |  |  |  |  |  |
Cash and cash equivalents |  | 0 - 10 | % | 2 | % | 4 | %
Total fixed income funds |  | 25 - 50 |  | 34 |  | 27 |
Total mutual funds and equities |  | 50 - 70 |  | 64 |  | 69 |
Total |  |  |  | 100 | % | 100 | %
In accordance with the fair value disclosure requirements with FASB ASC 820, “Fair Value Measurements and Disclosures,” the following assets were measured at fair value on a recurring basis at December 31, 2014 and 2013. Additional information regarding FASB ASC 820 and the fair value hierarchy can be found in Note 19, Fair Value Measurements.
|  | 2014 |  | 2013
Asset Category |  |  |  |
Cash and cash equivalents | $ | 347 | $ | 568
Fixed income funds |  |  |  |
Corporate bonds |  | 5,194 |  | 4,005
Total fixed income funds |  | 5,194 |  | 4,005
Equity funds and equities |  |  |  |
Mutual funds |  | 3,566 |  | 9,142
Common stock |  | 6,098 |  | 1,324
Total mutual funds and equities |  | 9,664 |  | 10,466
Total | $ | 15,205 | $ | 15,039
Schedule of Expected Benefit Payments [Table Text Block] |
|  | Pension
|  | Benefits
2015 | $ | 793
2016 |  | 822
2017 |  | 882
2018 |  | 915
2019 |  | 993
Years 2020-2024 |  | 5,606
United Kingdom Benefit Plans [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] |
|  | 2014 |  | 2013
Changes in benefit obligation: |  |  |  |
Benefit obligation at beginning of year | $ | 8,450 | $ | 8,034
Interest cost |  | 360 |  | 348
Actuarial loss |  | 883 |  | 162
Benefits paid |  | (397) |  | (247)
Foreign currency exchange rate changes |  | (499) |  | 153
Benefit obligation at end of year | $ | 8,797 | $ | 8,450
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] |
Change to plan assets: |  |  |  |
Fair value of assets at beginning of year | $ | 6,769 | $ | 6,051
Actual gain on plan assets |  | 502 |  | 545
Employer contribution |  | 284 |  | 303
Benefits paid |  | (397) |  | (247)
Foreign currency exchange rate changes |  | (401) |  | 117
Fair value of assets at end of year |  | 6,757 |  | 6,769
Funded status at end of year | $ | (2,040) | $ | (1,681)
Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block] |
Amounts recognized in the consolidated balance sheet consist of: |  |  |  |
Other long-term liabilities | $ | (2,040) | $ | (1,681)
Amounts recognized in accumulated other comprehensive income consist of: |  |  |  |
Net loss | $ | 1,413 | $ | 906
Prior service cost |  | 112 |  | 142
Transition obligation |  | - |  | (50)
| $ | 1,525 | $ | 998
Schedule of Net Benefit Costs [Table Text Block] | Net periodic pension costs for the three years ended December 31, 2014 are as follows:
|  | 2014 |  | 2013 |  | 2012
Components of net periodic benefit cost: |  |
Interest cost | $ | 360 | $ | 348 | $ | 338
Expected return on plan assets |  | (370) |  | (321) |  | (307)
Amortization of transition obligation |  | (50) |  | (46) |  | (49)
Amortization of prior service cost |  | 30 |  | 22 |  | 23
Recognized net actuarial loss |  | 185 |  | 229 |  | 221
Net periodic pension cost | $ | 155 | $ | 232 | $ | 226
Schedule of Assumptions Used [Table Text Block] |
|  | 2014 |  | 2013 |  | 2012 |
Discount rate |  | 3.6 | % | 4.6 | % | 4.3 | %
Expected rate of return on plan assets |  | 5.0 | % | 5.8 | % | 5.2 | %
Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] |
|  | 2014 |  | 2013 |
Projected benefit obligation | $ | 8,797 | $ | 8,450 |
Accumulated benefit obligation |  | 8,797 |  | 8,450 |
Fair value of plan assets |  | 6,757 |  | 6,769 |
Schedule of Allocation of Plan Assets [Table Text Block] |
| Portec Rail
| Plan
Equity securities | Up to 100%
Commercial property | Not to exceed 50%
U.K. Government securities | Not to exceed 50%
Cash | Up to 100%
Plan assets held within the Portec Rail Plan consist of cash and marketable securities which have been classified as Level 1 of the fair value hierarchy. All other plan assets have been classified as Level 2 of the fair value hierarchy. The plan assets by category for the years ended December 31, are as follows:
|  | 2014 |  | 2013 |
Asset Category |  |  |
Cash and cash equivalents | $ | 218 | $ | 369 |
Equity securities |  | 2,156 |  | 2,803 |
Bonds |  | 1,899 |  | 1,468 |
Commercial property |  | 2,484 |  | 2,129 |
Total | $ | 6,757 | $ | 6,769 |
Schedule of Expected Benefit Payments [Table Text Block] |
|  | Pension
|  | Benefits
2015 | $ | 246
2016 |  | 270
2017 |  | 288
2018 |  | 307
2019 |  | 334
Years 2020-2024 |  | 1,965
Other Post-Retirement Benefit Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Assumptions Used [Table Text Block] |
|  | 2014 |  | 2013 |
Discount rate |  | 4.0 | % | 5.0 | %
Weighted average health care trend rate |  | 6.2 | % | 6.4 | %

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- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the change in the accumulated postemployment benefit obligation from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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