Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income	$ 11,096	$ 12,642
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation expense	7,473	6,522
Amortization expense	2,319	2,921
Share-based compensation expense	3,022	2,529
Deferred income taxes	1,339	1,033
Allowance for doubtful accounts receivable	4	1,636
Contingent acquisition liability adjustments, net	1,199
Other, net	651	357
Changes in assets and liabilities (net of acquisitions):
Accounts receivable	(4,279)	(15,543)
Prepaid expenses and other assets	(1,197)	(2,174)
Accounts payable	(81)	478
Accrued liabilities	584	267
Accrued compensation-related costs	(49,256)	(39,666)
Income taxes payable	4,353	5,055
Other liabilities	(188)	(2,614)
Net cash used in operating activities	(22,961)	(26,557)
Cash flows from investing activities:
Purchases of property and equipment	(13,789)	(4,959)
Acquisitions of businesses, net of cash acquired		(1,995)
Other acquisition payments		(5,500)
Other, net	(116)	(18)
Net cash used in investing activities	(13,905)	(12,472)
Cash flows from financing activities:
Issuances of common stock	1,914	2,056
Repurchases of common stock	(4,961)	(6,266)
Repayments to banks	(150,800)	(96,392)
Borrowings from banks	193,802	134,757
Payments of debt issuance costs	(1,166)
Other, net	(1,327)	(658)
Net cash provided by financing activities	37,462	33,497
Effect of exchange rate changes on cash and cash equivalents	245	43
Net increase (decrease) in cash and cash equivalents	841	(5,489)
Cash and cash equivalents at beginning of the period	8,291	8,895
Cash and cash equivalents at end of the period	9,132	3,406
Supplemental Consolidated Cash Flow Information
Interest paid	1,172	869
Income taxes paid, net of refunds	$ 918	$ 158