Business Combinations (Extended Results Acquisition Intangible Assets) (Details) (Extended Results, Inc., USD $) In Thousands, unless otherwise specified	0 Months Ended
Sep. 13, 2013
Business Acquisition [Line Items]
Gross Amount at Acquisition Date	$ 7,300
Existing Technology
Business Acquisition [Line Items]
Gross Amount at Acquisition Date	4,800
Weighted Average Amortization Period	5 years
Maintenance agreements
Business Acquisition [Line Items]
Gross Amount at Acquisition Date	$ 2,500
Weighted Average Amortization Period	2 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration