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Earnings Per Share (Details Textual) (USD $) In Millions, unless otherwise specified | Sep. 30, 2014 2.25% Convertible Notes [Member] | Sep. 02, 2014 2.25% Convertible Notes [Member] | Sep. 30, 2014 2.25% Warrants [Member] | Sep. 30, 2014 3.00% Notes [Member] | Sep. 30, 2014 3.00% Warrants [Member] | Sep. 30, 2014 3.00% Convertible Notes [Member] | Jun. 30, 2014 3.00% Convertible Notes [Member] | Jun. 25, 2014 3.00% Convertible Notes [Member]
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Earnings Per Share (Textual) [Abstract] |  |  |  |  |  |  |  |
Debt interest rate | 2.25% |  | 2.25% | 3.00% | 3.00% |  |  |
Debt Instrument, Repurchased Face Amount |  |  |  |  |  | $ 22.6 | $ 92.5 |
Debt Instrument, Face Amount | $ 182.8 | $ 182.5 |  |  |  |  |  | $ 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 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=6584090&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 Face (par) amount of the original debt instrument that was repurchased. + References No definition available. + Details
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