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Retirement Plans (Tables) | 12 Months Ended
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Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Costs of Retirement Plans [Table Text Block] |
|  | December 31,
|  | 2015 |  | 2014 |  | 2013
United States | $ | 2,434 | $ | 2,425 | $ | 2,151
Canada |  | 226 |  | 227 |  | 266
United Kingdom |  | 494 |  | 158 |  | 136
| $ | 3,154 | $ | 2,810 | $ | 2,553
Other Post-Retirement Benefit Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Assumptions Used [Table Text Block] |
|  | 2015 |  | 2014 |
Discount rate |  | 4.2 | % | 4.0 | %
Weighted average health care trend rate |  | 5.0 | % | 6.2 | %
UNITED STATES |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] |
|  | 2015 |  | 2014
Changes in benefit obligation: |  |  |  |
Benefit obligation at beginning of year | $ | 18,925 | $ | 16,112
Service cost |  | 38 |  | 23
Interest cost |  | 742 |  | 771
Actuarial (gain) loss |  | (1,148) |  | 2,753
Benefits paid |  | (798) |  | (734)
Benefit obligation at end of year | $ | 17,759 | $ | 18,925
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] |
Change to plan assets: |  |  |  |
Fair value of assets at beginning of year | $ | 15,205 | $ | 15,039
Actual (loss) gain on plan assets |  | (172) |  | 601
Employer contribution |  | - |  | 299
Benefits paid |  | (798) |  | (734)
Fair value of assets at end of year |  | 14,235 |  | 15,205
Funded status at end of year | $ | (3,524) | $ | (3,720)
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] |
Amounts recognized in the consolidated balance sheet consist of: |  |  |  |
Other long-term liabilities | $ | (3,524) | $ | (3,720)
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 | $ | 3,993 | $ | 4,429
Prior service cost |  | - |  | 3
| $ | 3,993 | $ | 4,432
Schedule of Net Benefit Costs [Table Text Block] |
|  | 2015 |  | 2014 |  | 2013 |
Components of net periodic benefit cost: |  |  |
Service cost | $ | 38 | $ | 23 | $ | 33 |
Interest cost |  | 742 |  | 771 |  | 707 |
Expected return on plan assets |  | (816) |  | (968) |  | (856) |
Amortization of prior service cost |  | 3 |  | 1 |  | 1 |
Recognized net actuarial loss |  | 275 |  | 65 |  | 212 |
Net periodic pension cost (income) | $ | 242 | $ | (108) | $ | 97 |
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.
|  | 2015 |  | 2014 |  | 2013 |
Discount rate |  | 4.3 | % | 4.0 | % | 4.9 | %
Expected rate of return on plan assets |  | 5.2 | % | 5.5 | % | 6.5 | %
Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] |
|  |  |  | 2015 |  | 2014 |
Projected benefit obligation |  |  | $ | 17,759 | $ | 18,925 |
Accumulated benefit obligation |  |  |  | 17,759 |  | 18,925 |
Fair value of plan assets |  |  | $ | 14,235 | $ | 15,205 |
Schedule of Allocation of Plan Assets [Table Text Block] |
|  | Target |  | 2015 |  | 2014 |
Asset Category |  |  |  |  |  |  |
Cash and cash equivalents |  | 0 - 10 | % | 9 | % | 2 | %
Total fixed income funds |  | 25 - 50 |  | 35 |  | 34 |
Total mutual funds and equities |  | 50 - 70 |  | 56 |  | 64 |
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, 2015 and 2014. Additional information regarding FASB ASC 820 and the fair value hierarchy can be found in Note 18, Fair Value Measurements.
|  | 2015 |  | 2014
Asset Category |  |  |  |
Cash and cash equivalents | $ | 1,248 | $ | 347
Fixed income funds |  |  |  |
Corporate bonds |  | 4,926 |  | 5,194
Total fixed income funds |  | 4,926 |  | 5,194
Equity funds and equities |  |  |  |
Mutual funds |  | 8,061 |  | 3,566
Common stock |  | - |  | 6,098
Total mutual funds and equities |  | 8,061 |  | 9,664
Total | $ | 14,235 | $ | 15,205
Schedule of Expected Benefit Payments [Table Text Block] |
|  | Pension
|  | Benefits
2016 | $ | 823
2017 |  | 879
2018 |  | 907
2019 |  | 974
2020 |  | 1,015
Years 2021-2025 |  | 5,611
UNITED KINGDOM |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] |
|  | 2015 |  | 2014
Changes in benefit obligation: |  |  |  |
Benefit obligation at beginning of year | $ | 8,797 | $ | 8,450
Interest cost |  | 295 |  | 360
Actuarial (gain) loss |  | (416) |  | 883
Benefits paid |  | (339) |  | (397)
Foreign currency exchange rate changes |  | (475) |  | (499)
Benefit obligation at end of year | $ | 7,862 | $ | 8,797
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] |
Change to plan assets: |  |  |  |
Fair value of assets at beginning of year | $ | 6,757 | $ | 6,769
Actual gain on plan assets |  | 307 |  | 502
Employer contribution |  | 302 |  | 284
Benefits paid |  | (339) |  | (397)
Foreign currency exchange rate changes |  | (366) |  | (401)
Fair value of assets at end of year |  | 6,661 |  | 6,757
Funded status at end of year | $ | (1,201) | $ | (2,040)
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 | $ | (1,201) | $ | (2,040)
Amounts recognized in accumulated other comprehensive income consist of: |  |  |  |
Net loss | $ | 706 | $ | 1,413
Prior service cost |  | 85 |  | 112
| $ | 791 | $ | 1,525
Schedule of Net Benefit Costs [Table Text Block] | Net periodic pension costs for the three years ended December 31, 2015, 2014, and 2013 are as follows:
|  | 2015 |  | 2014 |  | 2013
Components of net periodic benefit cost: |  |
Interest cost | $ | 295 | $ | 360 | $ | 348
Expected return on plan assets |  | (324) |  | (370) |  | (321)
Amortization of transition obligation |  | - |  | (50) |  | (46)
Amortization of prior service cost |  | 27 |  | 30 |  | 22
Recognized net actuarial loss |  | 225 |  | 185 |  | 229
Net periodic pension cost | $ | 223 | $ | 155 | $ | 232
Schedule of Assumptions Used [Table Text Block] |
|  | 2015 |  | 2014 |  | 2013 |
Discount rate |  | 4.0 | % | 3.6 | % | 4.6 | %
Expected rate of return on plan assets |  | 5.2 | % | 5.0 | % | 5.8 | %
Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] |
|  | 2015 |  | 2014 |
Projected benefit obligation | $ | 7,862 | $ | 8,797 |
Accumulated benefit obligation |  | 7,862 |  | 8,797 |
Fair value of plan assets |  | 6,661 |  | 6,757 |
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 that 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 two years ended December 31, 2015 and 2014 are as follows:
|  | 2015 |  | 2014 |
Asset Category |  |  |
Cash and cash equivalents | $ | 242 | $ | 218 |
Equity securities |  | 2,656 |  | 2,156 |
Bonds |  | 1,301 |  | 1,899 |
Commercial property |  | 2,462 |  | 2,484 |
Total | $ | 6,661 | $ | 6,757 |
Schedule of Expected Benefit Payments [Table Text Block] |
|  | Pension
|  | Benefits
2016 | $ | 247
2017 |  | 268
2018 |  | 286
2019 |  | 303
2020 |  | 321
Years 2021-2025 |  | 1,939

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