Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income	$ 6,319	$ 11,853
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation expense	4,586	6,845
Amortization expense	1,372	1,856
Share-based compensation expense	2,769	3,377
Deferred income taxes	5,086	968
Allowance for doubtful accounts receivable	448	3,130
Loss from disposition of discontinued operations	672
Other, net	185	1,007
Changes in assets and liabilities (net of acquisitions):
Accounts receivable, net and contract assets	(7,014)	(23,615)
Prepaid expenses and other assets	(4,305)	(716)
Accounts payable	(423)	(2,100)
Accrued liabilities	(119)	2,200
Accrued compensation-related costs	(28,772)	(36,458)
Income taxes payable	(3,356)	2,926
Other liabilities	(8,587)	(6,120)
Net cash used in operating activities	(31,139)	(34,847)
Cash flows from investing activities:
Purchases of property and equipment	(3,007)	(5,750)
Acquisitions of businesses, net of cash acquired	(6,000)
Net cash used in investing activities	(9,007)	(5,750)
Cash flows from financing activities:
Issuances of common stock	856	1,238
Repurchases of common stock	(53,493)	(11,357)
Dividend payments	(1,994)
Repayments to banks		(79,144)
Borrowings from banks		129,677
Distributions to non-controlling interest holder	(3,600)
Other, net	(1,306)	(1,596)
Net cash (used in) provided by financing activities	(59,537)	38,818
Effect of exchange rate changes on cash and cash equivalents	(20)	(24)
Net decrease in cash and cash equivalents	(99,703)	(1,803)
Cash and cash equivalents at beginning of the period	206,920	8,449
Cash and cash equivalents at end of the period	107,217	6,646
Supplemental Consolidated Cash Flow Information
Interest paid	153	1,014
Income taxes paid, net of refunds	$ 1,137	$ 891