CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
OPERATING ACTIVITIES - continuing operations
Net income (loss)	$ 65,849	$ (100,345)	$ (27,820)
(Income) loss from discontinued operations, including gain on sale, net of tax	(94,017)	9,172	(11,062)
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:
Depreciation and amortization	16,586	15,541	10,095
Equity-based compensation	14,058	25,944	23,747
Impairment related and other	384	40,001	1,019
Other (income) loss, net	(2,857)	(1,741)	(5,359)
Equity (income) loss	0	0	776
Deferred income taxes	1,872	258	(4,544)
Income tax (benefit) expense related to income from discontinued operations	(15,758)	0	(6,496)
Contingent consideration	384	768	0
Changes in operating assets and liabilities - net of acquisitions:
Accounts receivable, net	(4,755)	1,198	(1,916)
Prepaid expenses and other assets	(1,183)	1,295	729
Accounts payable	4,150	(3,043)	(189)
Accrued expenses	1,846	(24)	(120)
Accrued compensation and benefits	(1,405)	2,683	152
Deferred revenue	8,228	5,406	5,122
Other liabilities	2,409	(1,582)	(488)
Cash flows provided by (used in) operating activities	(4,209)	(4,469)	(16,354)
INVESTING ACTIVITIES - continuing operations
Capital expenditures, net	2,601	2,237	1,188
Change in restricted cash	611	(1,062)	193
Proceeds from sales/distributions of ownership interests	125,933	1,415	33,982
Ownership acquisition, net of cash acquired	(8,043)	(2,020)	(213,993)
Cash flows provided by (used in) investing activities	115,900	(3,904)	(181,006)
FINANCING ACTIVITIES – continuing operations
Acquisition of noncontrolling interests in subsidiary equity	(5,578)	(9,991)	(878)
Payments on contingent consideration	(2,664)	(1,870)	0
Borrowings of short-term debt and note payable	0	820	0
Repayment of notes payable and capital lease obligations	(8)	(24)	(10,336)
Purchase of treasury stock	(74,265)	(1,702)	(12,809)
Tax withholdings related to equity-based awards	(1,828)	(4,279)	(5,029)
Financing activities with discontinued operations, net	(2,500)	(2,301)	(5,832)
Cash flows provided by (used in) financing activities	(86,843)	(19,347)	(34,884)
Effect of exchange rate on cash flows and cash equivalents	59	25	0
Net increase (decrease) in cash and cash equivalents from continuing operations	24,907	(27,695)	(232,244)
Discontinued operations:
Cash flows provided by (used in) operating activities	(5,681)	3,758	2,136
Cash flows provided by (used in) investing activities	(675)	(4,863)	(5,036)
Cash flows provided by (used in) financing activities	2,500	1,979	3,621
Net increase (decrease) in cash and cash equivalents from discontinued operations	(3,856)	874	721
Cash and cash equivalents at beginning of period - discontinued operations	3,856	2,982	2,261
Less: cash and cash equivalents at end of period - discontinued operations	0	3,856	2,982
Cash and cash equivalents at beginning of period	72,457	100,152	332,396
Cash and cash equivalents at beginning of period	$ 97,364	$ 72,457	$ 100,152