Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010
Cash Flows from Operating Activities
Net income	$ 15,408		$ 7,932
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	7,748		7,240
Deferred income tax provision (benefit)			(221)
Provision for doubtful accounts receivable	32		158
Provision for loss on vendor advances	33
Financial instruments fair value adjustments	(564)		(1,115)
Gain on sale of property and equipment	(341)		(187)
Equity in loss of unconsolidated investee	38
Stock-based compensation expense	1,299		1,446
Deferred financing costs expensed			2,107
(Increase) decrease in:
Trade receivables	(18,336)		(22,345)
Inventories	(1,642)		(8,661)
Income taxes receivable, net of acquisitions, prepaid expenses and other	3,074		3,224
Increase in:
Accounts payable, accrued expenses, income taxes payable and other liabilities	4,844		4,161
Net cash provided by (used in) operating activities	11,593		(6,261)
Cash Flows from Investing Activities
Proceeds from sale of property and equipment	553		500
Purchase of property and equipment	(11,061)		(3,518)
Cash paid for business acquisitions, less cash acquired	(1,844)
Increase in other assets	(92)		(11)
Net cash used in investing activities	(12,444)		(3,029)
Cash Flows from Financing Activities
Net borrowings under revolving lines-of-credit	2,692		3,854
Proceeds from other borrowings	5,121		8,736
Principal payments on other borrowings	(2,887)		(1,918)
Debt issuance costs paid	(196)		(1,273)
Proceeds from issuance of common stock on exercised warrants and options	322		68
Net cash provided by financing activities	5,052		9,467
Net increase in cash and cash equivalents	4,201		177
Cash:
Beginning of period	3,473	[1]	4,938
Ending of period	$ 7,674		$ 5,115

[1] (Note 1)