Acqusitions and Acquisition-Related Contingent Consideration (Details) (Jasper [Member], USD $) In Thousands, unless otherwise specified	Jun. 13, 2014
Business Acquisition [Line Items]
Cash and cash equivalents	$ 28,678
Property, plant and equipment	520
Other assets	15,901
In-process technology	10,300
Goodwill	78,229us-gaap_GoodwillFairValueDisclosure
Total assets acquired	216,328
Deferred revenue	(11,900)
Other liabilities	(5,607)
Long-term deferred tax liabilities	(30,740)
Net assets acquired	168,081
Existing technology [Member]
Business Acquisition [Line Items]
Acquired intangibles	68,200
Agreements and relationships [Member]
Business Acquisition [Line Items]
Acquired intangibles	13,600
Trademarks and Trade Names [Member]
Business Acquisition [Line Items]
Acquired intangibles	$ 900

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Amount of assets acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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- Definition

Fair value portion of asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

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