UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Product revenue	$ 239,047	$ 215,903
Service revenue	22,634	23,390
Total revenue	261,681	239,293
Cost of product revenue	173,947	151,740
Cost of service revenue	21,261	22,453
Total cost of revenue	195,208	174,193
Gross profit	66,473	65,100
Selling, general and administrative expenses	57,773	59,180
Change in fair value of contingent consideration	21	(2,209)
Bad debt expense	8,320	6,601
Acquisition and integration expenses	220	6,499
Restructuring and other expenses	3,463	4,592
Amortization of intangibles	1,490	1,703
Loss from continuing operations	(4,814)	(11,266)
Interest expense, net	9,163	10,499
Loss from continuing operations before income taxes	(13,977)	(21,765)
Income tax expense (benefit)	1,928	3,491
Loss from continuing operations, net of income taxes	(15,905)	(25,256)
Loss from discontinued operations, net of income taxes	(3,768)	(58)
Net loss	(19,673)	(25,314)
Accrued dividends on preferred stock	(453)	0
Deemed dividend on preferred stock	(1,164)	0
Loss attributable to common stockholders	$ (21,290)	$ (25,314)
Loss per common share:
Loss from continuing operations, basic and diluted (in dollars per share)	$ (0.26)	$ (0.37)
Loss from discontinued operations, basic and diluted (in dollars per share)	$ (0.05)	$ 0.00
Loss per common share, basic and diluted (in dollars per share)	$ (0.31)	$ (0.37)
Weighted average common shares outstanding
Weighted average number of common shares outstanding (in shares)	68,637	68,171