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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2018 | Sep. 30, 2017
Cash flows from operating activities: |  |
Net loss | $ (36,235) | $ 25,768
Adjustments to reconcile net income (loss) to cash used in operating activities: |  |
Stock-based compensation | 16,882 | 16,870
Depreciation | 20,944 | 18,000
Amortization of intangibles | 14,268 | 14,916
Amortization of deferred finance charges | 2,402 | 2,018
Goodwill and other asset impairment | 23,325 | 0
Adjustment to deferred acquisition consideration | 8,522 | 13,354
Acquisition-related contingent consideration payment | (28,263) | (36,570)
Deferred income taxes (benefits) | (6,690) | 8,125
Gain (loss) on sale of assets | (1,408) | 1,245
(Earnings) losses of non-consolidated affiliates | (358) | (1,924)
Other non-current assets and liabilities | (956) | (4,388)
Foreign exchange | 9,125 | (15,113)
Changes in working capital: |  |
Accounts receivable | 8,574 | (54,723)
Expenditures billable to clients | (28,171) | (9,294)
Prepaid expenses and other current assets | (11,516) | 6,400
Accounts payable, accruals and other liabilities | (49,587) | (31,149)
Advance billings | 27,413 | 32,015
Net cash used in operating activities | (31,729) | (14,450)
Cash flows used in investing activities: |  |
Capital expenditures | (15,232) | (28,305)
Deposits | 0 | (1,461)
Other investments | 1,180 | (1,530)
Net cash used in investing activities | (48,355) | (19,503)
Cash flows provided by financing activities: |  |
Payment for Contingent Consideration Liability, Financing Activities | 32,240 | 52,556
Repayment of long-term debt | (260) | (310)
Purchase of shares | (776) | (1,239)
Distributions to noncontrolling interests | (10,410) | (5,272)
Payment of dividends | (182) | (284)
Net cash provided by financing activities | 59,122 | 24,887
Effect of exchange rate changes on cash and cash equivalents | (161) | 6
Decrease in cash and cash equivalents | (21,123) | (9,060)
Cash and cash equivalents at beginning of period | 46,179 | 27,921
Cash and cash equivalents at end of period | 25,056 | 18,861
Supplemental disclosures: |  |
Cash income taxes paid | 4,822 | 6,909
Cash interest paid | 33,011 | 32,324
Change in cash held in trusts | (667) | (159)
Non-cash transactions: |  |
Capital leases | 600 | 621
Dividends payable | 271 | 453
Payments to Acquire Businesses, Net of Cash Acquired | 34,303 | 0
Proceeds from Sale of Other Assets, Investing Activities | 0 | 11,120
Payments of Distributions to Affiliates | 0 | 673
Wells Fargo Capital Finance, LLC | Revolving Credit Facility |  |
Cash flows provided by financing activities: |  |
Repayments of revolving credit agreement | (1,121,300) | (1,093,508)
Proceeds from revolving credit agreement | 1,224,290 | 1,087,688
Series 4 Convertible Preferred Stock |  |
Cash flows provided by financing activities: |  |
Proceeds from issuance of convertible preference shares | 0 | 95,000
Convertible Preferred Stock |  |
Cash flows provided by financing activities: |  |
Convertible preference shares issuance costs | 0 | (4,632)
Common Class A [Member] | Common Stock |  |
Non-cash transactions: |  |
Stock Issued During Period, Value, Acquisitions | $ 7,030 | $ 28,727

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