The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will not be amortized. Does not include goodwill.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsNotAmortizable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Acquisition (Details 1) (USD $) In Thousands, unless otherwise specified				9 Months Ended			9 Months Ended
	Sep. 30, 2012	Mar. 19, 2012	Mar. 19, 2012 Customer Relationships [Member]	Sep. 30, 2012 Customer Relationships [Member] Maximum [Member]	Sep. 30, 2012 Customer Relationships [Member] Minimum [Member]	Mar. 19, 2012 Technology [Member]	Sep. 30, 2012 Technology [Member] Maximum [Member]	Sep. 30, 2012 Technology [Member] Minimum [Member]	Mar. 19, 2012 Trademarks [Member]
Schedule of fair value of intangible assets acquired
Estimated fair value of amortizable intangible assets			$ 7,280			$ 9,230
Estimated fair value of non-amortizable intangible assets									5,260
Total intangible assets	$ 20,800	$ 21,770
Estimated Useful Life (In Years)				10 years	8 years		8 years	7 years