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Acquisitions (Schedule Of Acquired Intangible Assets And Weighted Average Amortization Periods) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011
Acquired Finite-Lived Intangible Assets [Line Items] |
2011 acquired intangible assets Total | $ 89,921
Patents [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
2011 acquired intangible assets Total | 3,017
Weighted Average Life | 10
Trade Names [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
2011 acquired intangible assets Total | 4,168
Weighted Average Life | 15
Customer Relationships [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
2011 acquired intangible assets Total | 53,895
Weighted Average Life | 7
Non-Compete Agreements [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
2011 acquired intangible assets Total | 793
Weighted Average Life | 2
Unpatented Technology And Other [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
2011 acquired intangible assets Total | $ 28,048
Weighted Average Life | 6

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- Definition The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275 + Details
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- Details
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- Definition The calculated weighted-average amortization period of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -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 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275 + Details
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