Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Sales and service revenue
Product sales	$ 87,172	$ 83,153	$ 163,656	$ 165,267
Service revenue	18,765	22,312	38,032	46,264
Net sales	105,937	105,465	201,688	211,531
Cost of sales and service revenue
Cost of product sales	71,535	63,592	133,635	128,730
Cost of service revenue	15,268	20,032	31,458	40,906
Cost of sales	86,803	83,624	165,093	169,636
Gross profit	19,134	21,841	36,595	41,895
Selling, general and administrative expenses	13,810	14,098	27,154	28,079
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	0	(7,950)	0	(7,950)
Asset Impairment Charges	0	4,222	0	4,222
Restructuring expense	1,095	0	1,523	0
Income from operations	4,229	11,471	7,918	17,544
Other (expense) income:
Interest expense	(13,595)	(4,044)	(17,854)	(8,157)
Other, net	168	(80)	280	400
Total other expense	(13,427)	(4,124)	(17,574)	(7,757)
(Loss) income before income taxes	(9,198)	7,347	(9,656)	9,787
(Benefit) provision for income taxes	(1,787)	2,683	(1,803)	3,286
Net (loss) income	(7,411)	4,664	(7,853)	6,501
Other comprehensive income (expense):
Change in foreign currency translation adjustment	50	(15)	94	(137)
Reclassification adjustment for losses on interest rate hedges included in net earnings, net of tax of $205, $0, $157 and $0	360	0	278	0
Unrealized gain/(loss) arising during period from interest rate hedges, net of tax of $0, $89, $0 and ($5)	0	151	0	(10)
Total comprehensive (loss) income	$ (7,001)	$ 4,800	$ (7,481)	$ 6,354
Amounts per common share:
Net (loss) income per common share	$ (0.58)	$ 0.37	$ (0.62)	$ 0.52
Net (loss) income per common share assuming dilution	$ (0.58)	$ 0.37	$ (0.62)	$ 0.51
Weighted average common shares (in shares)	12,709,014	12,612,389	12,686,541	12,597,381
Weighted average dilutive common shares outstanding (in shares)	12,709,014	12,720,372	12,686,541	12,697,947