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Investments - Narrative (Details) (Preferred Stock, USD $) In Millions, unless otherwise specified | Mar. 31, 2014 | Jun. 30, 2013
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Preferred Stock |  |
Schedule of Trading Securities and Other Trading Assets |  |
Fair value of trading securities in unrealized gain position | $ 5.2 | $ 7.3
Fair value of trading securities in unrealized loss position | $ 16.4 | $ 13.2

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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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- Details
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