Retirement Plans (Tables)

12 Months Ended

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	%