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Condensed Consolidated Statements of Cash Flows Unaudited - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Cash Flows From Operating Activities:    
Net (loss) income $ (7,037) $ 8,393
Reconciliation of net (loss) income to net cash provided by operating activities:    
Depreciation and amortization 19,450 19,850
Goodwill impairment 17,674 0
Arbitration and claim settlements 0 11,352
Loss on disposition of business 341 0
Stock-based compensation 1,998 1,399
Changes in operating assets and liabilities:    
Accounts receivable, net 5,473 (4,086)
Unbilled revenues, net (7,000) (11,848)
Accrued or prepaid income taxes (6,806) (563)
Accounts payable and accrued liabilities (3,405) (16,048)
Deferred revenues (457) 962
Accrued retirement costs (4,975) (343)
Prepaid expenses and other operating activities (3,224) (329)
Net cash provided by operating activities 12,032 8,739
Cash Flows From Investing Activities:    
Acquisitions of property and equipment (5,476) (3,729)
Capitalization of computer software costs (8,823) (4,369)
Other investing (87) 0
Net cash used in investing activities (14,386) (8,098)
Cash Flows From Financing Activities:    
Cash dividends paid (4,859) (6,595)
Proceeds from shares purchased under employee stock-based compensation plans 10 850
Repurchases of common stock (2,666) (19,585)
Increases in revolving credit facility borrowings 73,340 51,408
Payments on revolving credit facility borrowings (54,124) (40,611)
Payments on finance lease obligations (10) (61)
Acquisition of noncontrolling interests (292) 0
Dividends paid to noncontrolling interests 0 (280)
Net cash provided by (used in) financing activities 11,399 (14,874)
Effects of exchange rate changes on cash and cash equivalents (889) 264
Increase (decrease) in cash and cash equivalents 8,156 (13,969)
Cash and cash equivalents at beginning of year 51,802 53,119
Cash and cash equivalents at end of period $ 59,958 $ 39,150