CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$ 5,048	$ 10,886
Adjustment to net income for discontinued operation net loss	28	21
Net income from continuing operations	5,076	10,907
Adjustments to reconcile net income to net cash provided by operating activities from continuing operations:
Stock-based compensation	6,605us-gaap_ShareBasedCompensation	7,628us-gaap_ShareBasedCompensation
Excess tax benefit from stock-based compensation	(4,162)	(3,348)
Depreciation and amortization	6,499	5,475
Amortization of debt issuance costs	367us-gaap_AmortizationOfFinancingCosts	354us-gaap_AmortizationOfFinancingCosts
Reduction of doubtful accounts	(20)us-gaap_ProvisionForDoubtfulAccounts	(12)us-gaap_ProvisionForDoubtfulAccounts
Reduction of sales reserves	(96)us-gaap_SalesAllowancesServices	(250)us-gaap_SalesAllowancesServices
Deferred income taxes	697us-gaap_DeferredIncomeTaxExpenseBenefit	(135)us-gaap_DeferredIncomeTaxExpenseBenefit
Other	(538)us-gaap_OtherNoncashIncomeExpense	130us-gaap_OtherNoncashIncomeExpense
Effect of statement of operations adjustments	9,352	9,842
Changes in operating assets and liabilities:
Accounts receivable	(604)	9,633
Prepaid and other assets	(4,062)	2,094
Accounts payable	(650)	(1,999)
Accrued liabilities	2,405	(8,151)
Deferred revenues	(6,007)	(5,852)
Income taxes payable	1,101	4,401
Effect of changes in operating assets and liabilities	(7,817)	126
Net cash provided by operating activities from continuing operations	6,611	20,875
Cash flows from investing activities:
Purchases of property and equipment	(2,026)	(2,085)
Capitalized software development costs	(490)us-gaap_PaymentsToDevelopSoftware	(472)us-gaap_PaymentsToDevelopSoftware
Change in restricted cash	(197)
Purchases of marketable securities	(2,000)
Sales and maturities of marketable securities	6,831
Net cash provided by (used in) investing activities from continuing operations	2,118	(2,557)
Cash flows from financing activities:
Proceeds from common stock issued from exercises of stock options	5,000	1,246
Excess tax benefits from stock-based compensation	4,162	3,348
Withholding taxes related to equity award net share settlement	(811)	(1,581)
Repayment of debt	(15,000)us-gaap_RepaymentsOfLongTermDebt	(10,000)us-gaap_RepaymentsOfLongTermDebt
Payment of cash dividend	(6,750)us-gaap_PaymentsOfDividends
Net cash used in financing activities from continuing operations	(13,399)	(6,987)
Net cash transferred to discontinued operation	(147)	(161)
Effect of exchange rate changes on cash and cash equivalents	(477)	(34)
Net change in cash and cash equivalents from continuing operations	(5,294)	11,136
Cash and cash equivalents of continuing operations at beginning of period	28,784	33,828
Cash and cash equivalents of continuing operations at end of period	23,490	44,964
Supplemental disclosure of cash flow information:
Capital expenditures included in accounts payable	892	469
Cash flows from discontinued operation of MicroEdge, Inc.:
Net cash used in operating activities	(147)	(161)
Net cash transferred from continuing operations	$ 147	$ 161

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Other income (expense) included in net income that results in no cash inflows or outflows in the period. Includes noncash adjustments to reconcile net income (loss) to cash provided by (used in) operating activities that are not separately disclosed.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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Cash outflow for purchase of trading, available-for-sale securities and held-to-maturity securities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Publisher FASB

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-Section 45

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash outflow associated with the development or modification of software programs or applications for internal use (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization.

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The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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-Section 45

-Paragraph 14

-Subparagraph (a)

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

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-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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The aggregate selling price reductions recognized during an accounting period due to the rendering of deficient or nonconforming services. Allowances are a deduction from gross revenue in arriving at net revenue.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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