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Earnings Per Share (Details Textual) - USD ($) $ in Millions | Jun. 30, 2015 | Jun. 30, 2014 | Jun. 25, 2014
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2.25% Convertible Notes [Member] |  |  |
Earnings Per Share (Textual) [Abstract] |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.25% |  |
2.25% Warrants [Member] |  |  |
Earnings Per Share (Textual) [Abstract] |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.25% |  |
3.00% Notes [Member] |  |  |
Earnings Per Share (Textual) [Abstract] |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.00% |  |
3.00% Warrants [Member] |  |  |
Earnings Per Share (Textual) [Abstract] |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.00% |  |
3.00% Convertible Notes [Member] |  |  |
Earnings Per Share (Textual) [Abstract] |  |  |
Debt Instrument, Repurchased Face Amount |  | $ 92.5 |
Debt Instrument, Face Amount |  |  | $ 115.0

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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 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 Reference 2: 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 + 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 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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