Goodwill and Intangible Assets, Net (Estimated Annual Amortization Expense Related To Amortizing Intangible Assets) (Details) (USD $) In Thousands	6 Months Ended
Jun. 30, 2011
Goodwill And Intangible Assets, Net
2011 (remaining 2 quarters)	$ 19,532
2012	33,071
2013	18,784
2014	15,656
2015 and thereafter	12,971
Total accumulated amortization	$ 100,014

The aggregate estimated amortization expense for succeeding fiscal years for intangible assets subject to amortization.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration