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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 13,077us-gaap_NetIncomeLoss	$ 6,557us-gaap_NetIncomeLoss	$ 10,850us-gaap_NetIncomeLoss
Other comprehensive income (loss), net of tax:
Translation (loss) gain	(1,597)	(22)	59
Minimum pension/postretirement liability adjustment	(4,052)	1,362	(21)
Other comprehensive (loss) income	(5,649)	1,340	38
Comprehensive income	$ 7,428us-gaap_ComprehensiveIncomeNetOfTax	$ 7,897us-gaap_ComprehensiveIncomeNetOfTax	$ 10,888us-gaap_ComprehensiveIncomeNetOfTax

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.