UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Product revenue	$ 123,361	$ 87,869	$ 338,721	$ 265,368
Service revenue	47,004	45,960	143,178	130,873
Revenue	170,365	133,829	481,899	396,241
Cost of product revenue	85,611	57,771	233,057	172,047
Cost of service revenue	26,750	22,423	84,275	67,377
Cost of revenue	112,361	80,194	317,332	239,424
Gross profit	58,004	53,635	164,567	156,817
Selling, general and administrative expenses	46,772	42,336	135,404	124,165
Bad debt expense	3,440	3,075	10,677	8,368
Acquisition, integration, severance and other employee costs	2,881	1,284	4,562	1,284
Restructuring expense	438	1,750	940	6,524
Amortization of intangibles	1,087	858	2,844	2,496
Income from operations	3,386	4,332	10,140	13,980
Interest expense, net	6,497	6,528	19,705	19,375
Income (loss) before income taxes	(3,111)	(2,196)	(9,565)	(5,395)
Income Tax Expense (Benefit)	(2,506)	(1,862)	(2,644)	(2,406)
Loss from continuing operations, net of income taxes	(605)	(334)	(6,921)	(2,989)
(Loss) income from discontinued operations, net of income taxes	(10,931)	882	64,448	4,152
Net income (loss)	$ (11,536)	$ 548	$ 57,527	$ 1,163
Income (loss) per common share
Basic loss from continuing operations	$ (0.01)	$ (0.01)	$ (0.12)	$ (0.06)
Basic (loss) income from discontinued operations	$ (0.19)	$ 0.02	$ 1.15	$ 0.08
Basic	$ (0.20)	$ 0.01	$ 1.03	$ 0.02
Diluted loss from continuing operations	$ (0.01)	$ (0.01)	$ (0.12)	$ (0.06)
Diluted (loss) income from discontinued operations	$ (0.19)	$ 0.02	$ 1.15	$ 0.08
Diluted	$ (0.20)	$ 0.01	$ 1.03	$ 0.02
Weighted average common shares outstanding
Basic	56,640	54,607	56,019	54,348
Diluted	56,640	54,607	56,019	54,348