Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities:
Net loss	$ (631)	$ (667)
Adjustments to reconcile net loss to net cash provided by operating activities:
Loss (gain) on interest rate swap	(197)	65
Depreciation and amortization	20,084	6,547
Amortization of deferred rent	(106)	(43)
Share-based compensation	3,022	298
Excess tax benefit related to share-based compensation	(1,886)
Provision for doubtful accounts	610	375
Amortization of deferred financing costs	918	320
Deferred income taxes	(2,563)	(742)
Other	223
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(2,623)	(1,830)
Prepaid expenses and other current assets	(689)	(697)
Accounts payable and accrued expenses	747	2,743
Deferred revenue and customer deposits	(764)	42
Other liabilities	248	414
Net cash provided by operating activities	16,393	6,825
Investing activities:
Cash paid for acquisitions, net	(280,542)	(61,890)
Purchases of equipment and leasehold improvements, net	(2,634)	(980)
Working capital and other settlements for acquisitions	(1,636)	(220)
Net cash used in investing activities	(284,812)	(63,090)
Financing activities:
Borrowings under revolving credit facilities	264,000
Net borrowings under working capital facilities	37,794
Excess tax benefit related to share-based compensation	1,886
Proceeds from the exercise of options and warrants	1,313
Borrowings under term loan		40,969
Issuance of preferred stock, net		32,421
Issuance of common stock, net		2,772
Payment of related party notes		(3,500)
Repayment of subordinated unsecured notes payable	(1,027)	(569)
Payment of deferred financing costs	(1,838)	(1,603)
Repayments under revolving credit facilities	(60,000)	(600)
Other	(275)	(70)
Net cash provided by financing activities	241,853	69,820
Exchange rate impact on cash and cash equivalents	148
Net increase (decrease) in cash and cash equivalents	(26,418)	13,555
Cash and cash equivalents, beginning of period	33,624	1,499
Cash and cash equivalents, end of period	7,206	15,054
Supplemental disclosure of noncash investing and financing activities:
Issuance of common stock for acquisitions	45,386	6,683
Issuance of common stock for termination of agreement		1,434
Supplemental disclosures of cash flow information:
Cash paid for interest	3,702	1,985
Cash paid for income taxes	$ 1,773	$ 177