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Acquisitions And Dispositions (Summary Of Fair Value Of DNI Intangible Assets Acquired And Weighted-Average Amortization Period) (Details) - DNI [Member] $ in Thousands | 12 Months Ended
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Jun. 30, 2018 USD ($)
Customer Relationships [Member] |
Fair value as of acquisition date, finite lived intangible assets | $ 97,255
Software And Unpatented Technology [Member] |
Fair value as of acquisition date, finite lived intangible assets | $ 2,609
Weighted-average amortization period (in years) | 5 years
Trademarks [Member] |
Fair value as of acquisition date, finite lived intangible assets | $ 4,139
Weighted-average amortization period (in years) | 5 years
Minimum [Member] | Customer Relationships [Member] |
Weighted-average amortization period (in years) | 5 years
Maximum [Member] | Customer Relationships [Member] |
Weighted-average amortization period (in years) | 15 years

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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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