CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOW FROM OPERATING ACTIVITIES:
Net income	$ 44,800	$ 43,333
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	9,419	6,934
Amortization of intangible assets	13,874	9,221
Compensation expense for restricted stock	2,654	2,150
Tax benefit related to vesting of restricted stock	(766)	(572)
Deferred income taxes	1,350	(3,966)
Changes in operating assets and liabilities, net of assets and liabilities acquired in business acquisitions:
Trade accounts receivable	(20,510)	(3,896)
Inventories	(2,799)	(250)
Prepaid expenses and other assets	(1,517)	1,689
Accounts payable and accrued expenses	16,368	13,028
Net cash provided by operating activities	62,873	67,671
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(8,072)	(6,389)
Purchase of long-term investment	0	(68)
Sale of long-term investment	1,688	0
Acquisitions of businesses, net of cash acquired	(300,846)	(61,421)
Net cash used in investing activities	(307,230)	(67,878)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt	646,901	362,224
Principal payments on revolving line of credit and other long-term debt	(391,804)	(364,251)
Dividends paid	(68)	(68)
Purchase of treasury stock	(6,771)	(304)
Tax benefit related to vesting of restricted stock	766	572
Net cash provided by (used in) financing activities	249,024	(1,827)
EFFECT OF FOREIGN CURRENCY ON CASH	(213)	(150)
NET CHANGE IN CASH AND CASH EQUIVALENTS	4,454	(2,184)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	5,469	10,455
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 9,923	$ 8,271