UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Product revenue	$ 150,559	$ 108,557	$ 300,583	$ 215,360
Service revenue	40,174	47,344	89,221	96,174
Total revenue	190,733	155,901	389,804	311,534
Cost of product revenue	102,725	75,120	208,258	147,446
Cost of service revenue	22,996	27,740	53,297	57,525
Total cost of revenue	125,721	102,860	261,555	204,971
Gross profit	65,012	53,041	128,249	106,563
Selling, general and administrative expenses	55,971	44,057	108,762	88,632
Bad debt expense	3,684	3,772	7,081	7,237
Acquisition and integration expenses	3,512	636	8,135	808
Restructuring and other expenses	1,446	988	2,724	1,375
Amortization of intangibles	1,710	878	3,792	1,757
(Loss) income from continuing operations	(1,311)	2,710	(2,245)	6,754
Interest expense, net	6,508	6,639	12,986	13,208
Loss from continuing operations before income taxes	(7,819)	(3,929)	(15,231)	(6,454)
Income tax expense (benefit)	498	364	556	(138)
Loss from continuing operations, net of income taxes	(8,317)	(4,293)	(15,787)	(6,316)
(Loss) income from discontinued operations, net of income taxes	(563)	76,059	(1,221)	75,379
Net (loss) income	$ (8,880)	$ 71,766	$ (17,008)	$ 69,063
Income (loss) per common share
Basic (loss) from continuing operations	$ (0.13)	$ (0.07)	$ (0.26)	$ (0.11)
Basic (loss) income from discontinued operations	$ (0.01)	$ 1.36	$ (0.02)	$ 1.36
Basic (loss) income	$ (0.14)	$ 1.29	$ (0.28)	$ 1.25
Diluted (loss) from continuing operations	$ (0.13)	$ (0.07)	$ (0.26)	$ (0.11)
Diluted (loss) income from discontinued operations	$ (0.01)	$ 1.36	$ (0.02)	$ 1.36
Diluted (loss) income	$ (0.14)	$ 1.29	$ (0.28)	$ 1.25
Weighted average common shares outstanding
Basic	65,025	55,746	61,058	55,143
Diluted	65,025	55,746	61,058	55,143