UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATING ACTIVITIES:
Net income	$ 11,646	$ 6,343
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	914	785
Amortization of intangibles	2,234	1,606
Compensation expense for restricted stock	431	280
Tax benefit related to vesting of restricted stock	(163)	(97)
Deferred income taxes	(105)	1,521
Changes in operating assets and liabilities, net of assets and liabilities acquired in business combinations:
Trade accounts receivable	(9,482)	(10,953)
Inventories	(897)	(3,188)
Prepaid expenses and other current assets	(567)	(579)
Accounts payable and accrued expenses	22,630	12,002
Net cash provided by operating activities	26,641	7,720
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(852)	(487)
Purchase of businesses, net of cash acquired	(42,413)	0
Net cash provided by (used in) investing activities	(43,265)	(487)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt	60,323	39,043
Principal payments on revolving line of credit and other long-term debt	(41,824)	(43,772)
Dividends paid in cash	(23)	(23)
Tax benefit related to vesting of restricted stock	163	97
Net cash used in financing activities	18,639	(4,655)
INCREASE IN CASH	2,015	2,578
CASH AT BEGINNING OF PERIOD	1,507	770
CASH AT END OF PERIOD	$ 3,522	$ 3,348