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Acquisitions (Allocation Of Purchase Consideration To The Assets Acquired And Liabilities Assumed) (Details) (USD $) | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2014 September 2013 Acquisition | Sep. 30, 2013 September 2013 Acquisition
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Business Acquisition [Line Items] |  |  |  |
Working capital |  |  |  | $ 2,665,000
Property, plant, and equipment |  |  |  | 153,000
Acquired intangible assets |  |  |  | 2,170,000
Goodwill | 341,196,000 | 341,174,000 | 2,466,000 | 2,466,000
Fair value of purchase consideration |  |  |  | $ 7,454,000

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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References 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) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 + Details
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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References 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) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 + Details
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