UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Product revenue	$ 150,024	$ 106,803
Service revenue	49,047	48,830
Total revenue	199,071	155,633
Cost of product revenue	105,533	72,326
Cost of service revenue	30,301	29,785
Total cost of revenue	135,834	102,111
Gross profit	63,237	53,522
Selling, general and administrative expenses	52,791	44,575
Bad debt expense	3,397	3,465
Acquisition and integration expenses	4,623	172
Restructuring and other expenses	1,278	387
Amortization of intangibles	2,082	879
Income from continuing operations	(934)	4,044
Interest expense, net	6,478	6,569
Loss from continuing operations before income taxes	(7,412)	(2,525)
Income tax expense (benefit)	58	(502)
Loss from continuing operations, net of income taxes	(7,470)	(2,023)
Loss from discontinued operations, net of income taxes	(658)	(680)
Net loss	$ (8,128)	$ (2,703)
Income (loss) per common share
Basic loss from continuing operations	$ (0.13)	$ (0.04)
Basic loss from discontinued operations	$ (0.01)	$ (0.01)
Basic loss	$ (0.14)	$ (0.05)
Diluted loss from continuing operations	$ (0.13)	$ (0.04)
Diluted loss from discontinued operations	$ (0.01)	$ (0.01)
Diluted loss	$ (0.14)	$ (0.05)
Weighted average common shares outstanding
Basic	57,047	55,307
Diluted	57,047	55,307