UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Cash flows from operating activities:
Net loss	$ 5,513	$ (13,667)	$ 13,162	$ (36,235)
Adjustments to reconcile net income (loss) to cash used in operating activities:
Stock-based compensation	6,026	6,242	12,632	16,882
Depreciation			18,796	20,944
Amortization of intangibles			10,073	14,268
Amortization of deferred finance charges and debt discount			2,504	2,402
Goodwill and other asset impairment	1,944	21,008	1,944	23,325
Adjustment to deferred acquisition consideration			(3,627)	8,522
Deferred income taxes			6,292	(6,690)
Loss on sale of assets			3,361	(1,408)
Earnings of non-consolidated affiliates	(63)	(300)	(352)	(358)
Other non-current assets and liabilities			(3,017)	(956)
Foreign exchange			(5,145)	9,125
Changes in working capital:
Accounts receivable			835	8,574
Expenditures billable to clients			3,716	(28,171)
Prepaid expenses and other current assets			3,280	(11,516)
Accounts payable, accruals and other current liabilities			(96,527)	(49,587)
Acquisition related payments			(4,816)	(28,263)
Advance billings			31,049	27,413
Net cash used in operating activities			(5,840)	(31,729)
Cash flows from investing activities:
Capital expenditures	(5,863)	(5,543)	(13,786)	(15,232)
Proceeds from sale of assets			23,050	0
Acquisitions, net of cash acquired			(5,778)	(34,303)
Other investments			(179)	1,180
Net cash provided by (used in) investing activities			3,307	(48,355)
Cash flows from financing activities:
Acquisition related payments			(30,155)	(32,240)
Distributions to noncontrolling interests			(9,982)	(10,410)	$ (13,419)
Payment of dividends			(56)	(182)
Purchase of shares			(577)	(776)
Other			0	(260)
Net cash provided by (used in) financing activities			(2,202)	59,122
Effect of exchange rate changes on cash, cash equivalents, and cash held in trusts			8	(161)
Net decrease in cash, cash equivalents, and cash held in trusts including cash classified within assets held for sale			(4,727)	(21,123)
Change in cash and cash equivalents classified within assets held for sale			4,441	0
Net decrease in cash and cash equivalents			(3,593)
Cash and cash equivalents at beginning of period			30,873	46,179	46,179
Cash and cash equivalents at end of period	$ 27,280	$ 25,056	27,280	25,056	$ 30,873
Supplemental disclosures:
Cash income taxes paid			3,631	4,822
Cash interest paid			32,525	33,011
Wells Fargo Capital Finance, LLC | Revolving Credit Facility
Cash flows from financing activities:
Repayment of revolving credit facility			(1,172,909)	(1,121,300)
Proceeds from revolving credit facility			1,112,857	1,224,290
Change in cash and cash equivalents held in trusts classified within held for sale			(3,307)	0
Series 4 Convertible Preferred Stock
Cash flows from financing activities:
Proceeds from issuance of common and convertible preference shares, net of issuance costs			$ 98,620	$ 0