Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating
Net income	$ 28,417	$ 46,819
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	9,136	12,747
Deferred income taxes	345	(1,934)
(Gain) loss on disposal of fixed assets	(29)	493
Loss (gain) on disposal of Americas data assets	1,081	(23,171)
Gain on disposal of discontinued operations		(783)
Non-cash share-based compensation	3,268	5,169
Gain on intercompany foreign exchange transactions		56
Excess tax (benefit) deficiency associated with share-based payments	(896)	982
Changes in assets and liabilities:
Receivables	(9,100)	(3,636)
Other current assets	(1,340)	1,340
Other noncurrent assets	210	(147)
Accounts payable	(162)	(739)
Accrued liabilities	(138)	3,552
Net cash provided by operating activities	30,792	40,748
Investing
Purchase of equipment	(6,279)	(9,906)
Proceeds from sale of equipment	41	28
Proceeds from disposition of discontinued operations, net of transaction costs		9,698
Proceeds from disposition of Americas data assets, net of transaction costs		37,092
(Increase) decrease in restricted cash	(220)	837
Net cash (used for) provided by investing activities	(6,458)	37,749
Financing
Proceeds from the exercise of stock options	7,728	279
Restricted shares withheld to cover employee taxes paid	(686)	(508)
Dividends Paid	(9,900)	(44,145)
Payments made for repurchase of common stock		(1,565)
Excess tax benefit (deficiency) associated with share-based payments	896	(982)
Net cash used for financing activities	(1,962)	(46,921)
Effect of exchange rate changes on cash		6
Net increase in cash and cash equivalents	22,372	31,582
Cash and cash equivalents — Beginning	77,004	31,479
Cash and cash equivalents — End	99,376	63,061
Supplemental disclosure of cash flow information:
Cash paid for taxes	20,053	6,070
Supplemental disclosure of noncash flow items:
Investing activity — Accrued purchases of equipment	$ 1,410	$ 1,372