Retirement Plans (Tables)

12 Months Ended

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