CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
OPERATING ACTIVITIES
Net loss	$ (28,941)	$ (31,968)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation and amortization	10,059	10,069
Equity-based compensation	9,125	14,343
Impairment related and other	394	340
Other loss (income), net	223	(1,435)
Deferred tax asset	52	76
Contingent consideration	32	496
Changes in operating assets and liabilities - net of acquisitions:
Accounts receivable, net	(2,100)	1,014
Prepaid expenses and other assets	(1,590)	(757)
Accounts payable	(2,751)	(1,503)
Accrued expenses	(1,012)	473
Accrued compensation and benefits	(4,331)	(396)
Deferred revenue	5,091	4,785
Other liabilities	4,043	1,051
Cash flows used in operating activities	(11,706)	(3,412)
INVESTING ACTIVITIES
Capital expenditures	(1,765)	(3,919)
Change in restricted cash	551	68
Proceeds from other distributions	46	1,415
Ownership acquisition, net of cash acquired	(2,471)	(1,957)
Cash flows used in investing activities	(3,639)	(4,393)
FINANCING ACTIVITIES
Acquisition of noncontrolling interest in subsidiary equity	(5,515)	(3,952)
Payments of contingent consideration	(1,464)	(1,870)
Borrowings of short-term debt and notes payable	5,574	820
Repayment of notes payable and capital lease obligations	(5,241)	(24)
Purchase of treasury stock	(9,533)	(1,704)
Tax withholdings related to equity-based awards	(1,536)	(3,858)
Other financing activities	36	(8)
Cash flows used in financing activities	(17,679)	(10,596)
Effect of exchange rate on cash flows and cash equivalents	(67)	(111)
Net decrease in cash and cash equivalents	(33,091)	(18,512)
Cash and cash equivalents at beginning of period	76,313	103,134
Cash and cash equivalents at end of period	$ 43,222	$ 84,622