Income Taxes (Tables)

12 Months Ended

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