Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating activities:
Net loss	$ (289)	$ (3,592)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Gain on interest rate swap		(48)
Depreciation and amortization	14,342	16,326
Amortization of deferred rent	(44)	(19)
Share-based compensation	5,353	4,131
Excess tax benefit related to share-based compensation	(6,190)	(407)
Provision for doubtful accounts	1,359	920
Amortization of deferred financing costs	571	580
Deferred income taxes	(2,228)	(6,037)
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(12,501)	(11,725)
Prepaid expenses and other current assets	(1,715)	(198)
Accounts payable and accrued expenses	9,612	4,643
Accrued interest expense	(5,457)	(5,990)
Deferred revenue and customer deposits	442	666
Other liabilities	(50)	(360)
Net cash provided by (used in) operating activities	3,205	(1,110)
Investing activities:
Cash paid for acquisitions, net	(97,153)
Cash paid for foreign currency net investment hedges	(3,356)
Working capital and other settlements for acquisitions	(1,142)
Purchases of equipment and leasehold improvements, net	(712)	(1,770)
Other	(839)
Net cash used in investing activities	(103,202)	(1,770)
Financing activities:
Borrowings under senior secured revolving credit facility	121,012	10,000
Proceeds from the exercise of options and warrants	14,637	2,441
Excess tax benefit related to share-based compensation	6,190	407
Net borrowings (repayments) under working capital facilities	4,123	(800)
Payment of deferred financing costs	(225)	(52)
Repayment of subordinated unsecured notes payable	(333)
Repayments under senior secured revolving credit facility	(50,000)	(10,000)
Net cash provided by financing activities	95,404	1,996
Exchange rate impact on cash and cash equivalents	268	(34)
Net decrease in cash and cash equivalents	(4,325)	(918)
Cash and cash equivalents, beginning of period	12,829	8,627
Cash and cash equivalents, end of period	8,504	7,709
Supplemental disclosures of cash flow information:
Cash paid for interest	12,488	12,796
Cash paid for (refund from) income taxes	$ (1,042)	$ 3,404