UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Income Statement [Abstract]
Product revenue	$ 396,512	$ 373,920	$ 793,053	$ 692,426
Service revenue	44,894	38,110	87,649	54,672
Revenue	441,406	412,030	880,702	747,098
Cost of product revenue	341,673	317,467	680,794	603,219
Cost of service revenue	23,513	21,039	46,424	31,438
Cost of revenue	365,186	338,506	727,218	634,657
Gross profit	76,220	73,524	153,484	112,441
Selling, general and administrative expenses	57,031	54,674	116,123	91,028
Bad debt expense	4,614	3,578	9,661	7,227
Acquisition and integration expenses	0	1,059	0	6,099
Restructuring expense	3,891	0	5,190	0
Amortization of intangibles	1,363	695	2,760	871
Legal settlement	4,800	0	4,800	0
Income from operations	4,521	13,518	14,950	7,216
Interest expense, net	7,190	8,224	14,440	11,393
(Loss) income before income taxes	(2,669)	5,294	510	(4,177)
Income tax (benefit) expense	(343)	2,166	(105)	(136)
Net (loss) income	$ (2,326)	$ 3,128	$ 615	$ (4,041)
Income (loss) per common share
Basic	$ (0.04)	$ 0.06	$ 0.01	$ (0.09)
Diluted	$ (0.04)	$ 0.06	$ 0.01	$ (0.09)
Weighted average common shares outstanding
Basic	54,298,000	53,310,000	54,216,000	47,101,000
Diluted	54,298,000	54,805,000	54,939,000	47,101,000