Amount of aggregate acquisition consideration.

No definition available.

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- Definition

Fair value change of contingent consideration.

+ References

No definition available.

+ Details

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- Definition

Amount of cash consideration, consisting of acquisition-date fair value of assets by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

No definition available.

+ Details

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- Definition

The percentage of economic ownership that the Group acquired.

+ References

No definition available.

+ Details

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Topic 805

-SubTopic 30

-Section 30

-Paragraph 8

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-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1,2)

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- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 55

-Paragraph 4K

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Acquisitions (Narrative of Enterprise Information Security Business) (Details) (USD $)	12 Months Ended			1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Oct. 31, 2014
Business Acquisition [Line Items]
Consolidated net revenue contributed by investee	$ 1,085,198,000us-gaap_GrossProfit	$ 583,250,000us-gaap_GrossProfit	$ 296,230,000us-gaap_GrossProfit
Consolidated net gain contributed by investee	216,163,000us-gaap_ProfitLoss	97,849,000us-gaap_ProfitLoss	46,471,000us-gaap_ProfitLoss
Enterprise information security business acquired in October 2014 [Member]
Business Acquisition [Line Items]
Percentage of equity interest acquired				75.10%
Purchase consideration				126,065,000
Initial consideration, cash				123,897,000
Cash consideration, paid				89,938,000
Contingent consideration, cash				2,168,000
Fair value change in contingent consideration	0
Consolidated net revenue contributed by investee	18,934,000
Consolidated net gain contributed by investee	$ 5,426,000