CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows-operating activities:
Net income	$ 4,845	$ 6,642
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	12,046	8,083
Deferred income taxes	(500)	1,509
Net realized losses on investments		27
Stock-based compensation expense	2,775	4,081
Accretion expense related to earnout payments	1,551
Restructuring charges	0	810
Cash paid for restructuring charges	(918)	(8,743)
Changes in assets and liabilities, net of effects of acquisitions:
Trade and other receivables	(21,607)	(18,622)
Accounts payable	(2,381)	(3,165)
Accrued expenses	(10,109)	(48,861)
Income taxes recoverable (payable), net	4,826	15,309
Retirement and pension assets and liabilities	574	956
Prepayments	(3,207)	(75)
Other assets and liabilities, net	240	(1,110)
Net cash used in operating activities	(11,865)	(43,159)
Cash flows-investing activities:
Restricted cash	(50)	282
Capital expenditures	(1,920)	(6,248)
Purchases of available for sale investments	(661)	(1,023)
Proceeds from sales of available for sale investments	155	107
Net cash used in investing activities	(2,476)	(6,882)
Cash flows-financing activities:
Proceeds from debt issuance	40,000
Debt repayment	(3,000)
Cash dividends paid	(4,875)	(7,294)
Payment of employee tax withholdings on equity transactions	(647)	(1,630)
Purchases of treasury stock		(1,123)
Acquisition earnout payments	(357)	(381)
Net cash provided by (used in) financing activities	31,121	(10,428)
Effect of exchange rates fluctuations on cash and cash equivalents	(1,595)	2,216
Net increase (decrease) in cash and cash equivalents	15,185	(58,253)
Cash and cash equivalents at beginning of period	117,605	185,390
Cash and cash equivalents at end of period	$ 132,790	$ 127,137