CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows provided by operating activities:
Net income	$ 8,364	$ 8,544
Adjustments to reconcile net income to net cash (used for) provided by operating activities:
Depreciation and amortization	31,829	34,963
Provision for doubtful accounts	1,432	1,354
Non-cash compensation	12,264	15,753
Loss in equity interests, net	703	455
Non-cash restructuring charges	5,315	6,417
Deferred income taxes	(2,607)	(7,000)
Tax benefit from change in uncertain tax positions	(12,869)
Amount reclassified from accumulated other comprehensive income	(23,109)
Excess income tax benefit from equity compensation plans	(2,044)
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	28,641	5,339
Prepaid and other	15,555	(5,096)
Deferred revenue	(31,242)	(3,771)
Accounts payable, accrued liabilities and other	(25,466)	(28,842)
Total adjustments	(1,598)	19,572
Net cash provided by operating activities	6,766	28,116
Cash flows used for investing activities:
Capital expenditures	(18,388)	(33,251)
Cash funded to and dividends received from equity investee and other	139	(51)
Net cash used for investing activities	(18,249)	(33,302)
Cash flows used for financing activities:
Payments on borrowings on credit facilities	(39,799)	(271,516)
Proceeds from borrowings on credit facilities	17,500	193,355
Payments on term loan	(3,125)	(41,250)
Proceeds from borrowings on term loan		100,000
Repurchase of common stock	(23,378)	(58,912)
Tax withholdings related to net share settlements of restricted stock awards and units	(4,987)	(6,039)
Proceeds from the exercise of employee stock options		23
Excess tax benefits from equity compensation plans	2,044
Net cash used for financing activities	(51,745)	(84,339)
Effects of exchange rates on cash	(5,624)	(3,332)
Net decrease in cash and cash equivalents	(68,852)	(92,857)
Cash and cash equivalents, beginning of period	148,185	250,317
Cash and cash equivalents, end of period	79,333	157,460
Supplemental disclosures of cash flow information:
Cash paid for income taxes	3,206	7,692
Cash paid for interest	$ 3,872	$ 8,198