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Available-for-Sale Securities (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended
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Mar. 31, 2015
Schedule of Available-for-sale Securities [Line Items] |
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities | $ 0 us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
Short Term |
Schedule of Available-for-sale Securities [Line Items] |
Weighted average effective maturity | 6 months
Long Term |
Schedule of Available-for-sale Securities [Line Items] |
Weighted average effective maturity | 15 months

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- Definition Weighted average effective maturity of the available-for-sale securities, 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 The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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