Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating activities:
Net loss	$ (3,308)	$ (590)
Adjustments to reconcile net loss to net cash provided by operating activities:
Loss (gain) on interest rate swap	(253)	71
Depreciation and amortization	33,153	12,452
Amortization of deferred rent	(386)	(48)
Share-based compensation	5,385	559
Excess tax benefit related to share-based compensation	(3,112)
Provision for doubtful accounts	1,381	427
Amortization of deferred financing costs	1,433	638
Deferred income taxes	(6,299)	(4,221)
Loss on early extinguishment of debt	621
Other	223
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(3,469)	(2,357)
Prepaid expenses and other current assets	(786)	(70)
Accounts payable and accrued expenses	1,337	6,375
Deferred revenue and customer deposits	(458)	(627)
Other liabilities	1,344	1,646
Net cash provided by operating activities	26,806	14,255
Investing activities:
Cash paid for acquisitions, net	(300,233)	(96,945)
Purchases of equipment and leasehold improvements, net	(4,121)	(1,339)
Working capital and other settlements for acquisitions	(1,884)	306
Net cash used in investing activities	(306,238)	(97,978)
Financing activities:
Borrowings under senior unsecured notes payable	250,000
Borrowings under revolving credit facilities	268,000
Net borrowings under working capital facilities	36,098	6,448
Excess tax benefit related to share-based compensation	3,112
Proceeds from the exercise of options and warrants	2,215	9
Borrowings under term loan		60,666
Issuance of preferred stock, net		32,421
Issuance of common stock, net		2,972
Payment of related party notes		(3,500)
Repayment of subordinated unsecured notes payable	(2,101)	(1,280)
Purchases of stock for treasury	(3,548)
Payment of deferred financing costs	(9,746)	(1,947)
Repayment under revolving credit facilities	(268,000)	(4,281)
Other	(358)	(1,599)
Net cash provided by financing activities	275,672	89,909
Exchange rate impact on cash and cash equivalents	5	35
Net increase (decrease) in cash and cash equivalents	(3,755)	6,221
Cash and cash equivalents, beginning of period	33,624	1,499
Cash and cash equivalents, end of period	29,869	7,720
Supplemental disclosure of noncash investing and financing activities:
Issuance of common stock for acquisitions	45,386	9,373
Issuance of common stock to settle earnout obligations	808	576
Issuance of common stock for termination of agreement		1,435
Supplemental disclosures of cash flow information:
Cash paid for interest	4,759	3,778
Cash paid for income taxes	$ 3,190	$ 207