Business Combinations (Narrative) (Details) (RelateIQ, Inc. [Member], USD $)	0 Months Ended
Aug. 14, 2014	Aug. 14, 2014
RelateIQ, Inc. [Member]
Business Acquisition [Line Items]
Consideration transferred	$ 340,206,000
Conversion ratio	0.12
Equity interest issued or issuable		33,900,000
Fair value of stock options and restricted stock awards assumed	1,050,000
Allocated to future services		$ 32,800,000

Business Acquisition, Equity Interest Issued or Issuable, Value Assigned, Allocated to Future Services

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Conversion Ratio

+ References

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- Definition

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

+ 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 (b)(4)

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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

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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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