UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Cash flows from operating activities:
Net loss	$ 7,333	$ 5,951	$ 7,649	$ (22,568)
Adjustments to reconcile income (loss) to cash provided by (used in) operating activities:
Stock-based compensation	3,634	5,603	6,606	10,640
Depreciation			12,621	14,642
Amortization of intangibles			6,880	9,436
Amortization of deferred finance charges and debt discount			1,663	1,605
Other asset impairment	0	0	0	2,317
Adjustment to deferred acquisition consideration			(5,570)	(2,479)
Deferred income taxes			2,835	(9,494)
Loss on sale of assets			3,407	(955)
Earnings of non-consolidated affiliates	(206)	28	(289)	(58)
Other and non-current assets and liabilities			(4,139)	(1,114)
Foreign exchange			(7,363)	12,128
Changes in working capital:
Accounts receivable			(21,570)	19,181
Expenditures billable to clients			1,763	(27,935)
Prepaid expenses and other current assets			(3,345)	(12,732)
Accounts payable, accruals and other current liabilities			(66,343)	(60,015)
Acquisition related payments			(4,376)	(23,894)
Advance billings			29,334	29,582
Net cash used in operating activities			(40,237)	(61,713)
Cash flows provided by (used in) investing activities:
Capital expenditures	(4,317)	(5,890)	(7,923)	(9,689)
Proceeds from sale of assets			23,050	0
Acquisitions, net of cash acquired			(5,130)	(27,299)
Other investments			(179)	867
Net cash provided by (used in) investing activities			9,818	(36,121)
Cash flows provided by financing activities:
Acquisition related payments			(24,219)	(29,172)
Distributions to noncontrolling interests			(7,957)	(8,927)	$ (13,419)
Payment of dividends			(56)	(168)
Purchase of shares			(78)	(493)
Other			0	(141)
Net cash provided by financing activities			25,712	76,343
Effect of exchange rate changes on cash, cash equivalents, and cash held in trusts			4	311
Net decrease in cash, cash equivalents, and cash held in trusts including cash classified within assets held for sale			(4,703)	(21,180)
Change in cash and cash equivalents classified within assets held for sale			4,441	0
Net decrease in cash and cash equivalents			(3,569)	(21,180)
Cash, cash equivalents, and cash held in trusts at beginning of period			30,873	46,179	46,179
Cash, cash equivalents, and cash held in trusts at end of period	$ 27,304	$ 24,999	27,304	24,999	$ 30,873
Supplemental disclosures:
Cash income taxes paid			3,494	2,626
Cash interest paid			31,643	31,414
Wells Fargo Capital Finance, LLC | Revolving Credit Facility
Cash flows provided by financing activities:
Repayments of revolving credit facility			(834,538)	(782,600)
Proceeds from revolving credit facility			793,940	897,844
Change in cash and cash equivalents held in trusts classified within held for sale			(3,307)	0
Series 4 Convertible Preferred Stock
Cash flows provided by financing activities:
Proceeds from issuance of common and convertible preference shares, net of issuance costs			$ 98,620