Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015		Jun. 30, 2014
Cash Flows From Operating Activities:
Net Income	$ 7,459		$ 17,180
Reconciliation of net income to net cash provided by (used in) operating activities:
Depreciation and amortization	21,407		18,574
Stock-based compensation	1,280		743
Loss on disposals of property and equipment, net	33		0
Changes in operating assets and liabilities, net of effects of acquisitions and dispositions:
Accounts receivable, net	13,338		(26,366)
Unbilled revenues, net	(11,507)		(13,564)
Accrued or prepaid income taxes	2,371		3,633
Accounts payable and accrued liabilities	(16,777)		(37,314)
Deferred revenues	(308)		(2,025)
Accrued retirement costs	(12,794)		(15,423)
Prepaid expenses and other operating activities	5,718		(5,057)
Net cash provided by (used in) operating activities	10,220		(59,619)
Cash Flows From Investing Activities:
Acquisitions of property and equipment	(5,333)		(5,691)
Proceeds from disposals of property and equipment	0		1,289
Capitalization of computer software costs	(10,871)		(7,930)
Cash surrendered in sale of business	0		(1,554)
Payments for business acquisitions, net of cash acquired	(66,077)		0
Net cash used in investing activities	(82,281)		(13,886)
Cash Flows From Financing Activities:
Cash dividends paid	(6,757)		(4,991)
Payments related to shares received for withholding taxes under stock-based compensation plans	(2)		(1,361)
Proceeds from shares purchased under employee stock-based compensation plans	444		518
Repurchases of common stock	(137)		(2,791)
Increases in short-term and revolving credit facility borrowings	117,672		79,142
Payments on short-term and revolving credit facility borrowings	(24,951)		(24,424)
Payments on capital lease obligations	(1,072)		(440)
Dividends paid to noncontrolling interests	0		(142)
Other financing activities	(2)		(32)
Net cash provided by financing activities	85,195		45,479
Effects of exchange rate changes on cash and cash equivalents	(3,136)		(193)
Increase (decrease) in cash and cash equivalents	9,998		(28,219)
Cash and cash equivalents at beginning of year	52,456	[1]	75,953
Cash and cash equivalents at end of period	$ 62,454		$ 47,734

[1] Derived from the audited Consolidated Balance Sheet