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Debt and Credit Agreements (Details 3) (Senior unsecured fixed-rate notes, USD $) | 1 Months Ended | 3 Months Ended
--- | --- | ---
Sep. 30, 2014 Investor | Sep. 30, 2014
Debt |  |
Number of investors in private placement | 24 |
Principal | $ 925,000,000 | $ 925,000,000
Weighted-average interest rate (as a percent) | 3.65% | 3.65%
Asset Coverage Ratio, Minimum | 1.75 | 1.75
Annual Coverage Ratio, Minimum |  | 2.8
Tranche 1 |  |
Debt |  |
Principal | 100,000,000 | 100,000,000
Term | 7 years |
Coupon | 3.24% | 3.24%
Tranche 2 |  |
Debt |  |
Principal | 575,000,000 | 575,000,000
Term | 10 years |
Coupon | 3.67% | 3.67%
Tranche 3 |  |
Debt |  |
Principal | $ 250,000,000 | $ 250,000,000
Term | 12 years |
Coupon | 3.77% | 3.77%

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Period of time between issuance and maturity of debt instrument, 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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