UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
OPERATING ACTIVITIES:
Net income	$ 23,823	$ 13,953
Adjustments to reconcile net income to net cash provided by operating activities - net of acquisitions and divestitures
Depreciation	2,019	1,732
Amortization of intangibles	4,790	3,210
Compensation expense for restricted stock	954	601
Tax benefit related to vesting of restricted stock	(248)	(97)
Deferred income taxes	(298)	1,908
Changes in operating assets and liabilities, net of assets and liabilities acquired in business combinations:
Trade accounts receivable	(10,954)	(14,944)
Inventories	(3,387)	(1,775)
Prepaid expenses and other current assets	(468)	(1,479)
Accounts payable and accrued expenses	8,677	13,161
Net cash (used in) provided by operating activities	24,908	16,270
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(9,981)	(2,631)
Purchase of businesses, net of cash acquired	(73,485)	0
Net cash used in investing activities	(83,466)	(2,631)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt	101,178	104,135
Principal payments on revolving line of credit and other long-term debt	(37,352)	(117,456)
Dividends paid in cash	(45)	(45)
Purchase of treasury stock	(387)	0
Tax benefit related to vesting of restricted stock	248	97
Net cash provided by (used) in financing activities	63,642	(13,269)
INCREASE IN CASH	5,084	370
CASH AT BEGINNING OF PERIOD	1,507	770
CASH AT END OF PERIOD	$ 6,591	$ 1,140