Senior and Convertible Senior Notes (Details Textual) - Senior Notes [Member] - USD ($) |
9 Months Ended | ||
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Sep. 30, 2015 |
Jun. 02, 2015 |
Dec. 31, 2014 |
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4.50% senior notes due 2018 [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument, stated rate (percentage) | 4.50% | 4.50% | |
7.15% senior notes due 2020 [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument, stated rate (percentage) | 7.15% | 7.15% | |
7.00% senior notes due 2022 [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument, stated rate (percentage) | 7.00% | 7.00% | |
6.00% senior notes due 2025 [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument, face amount | $ 200,000,000 | ||
Debt instrument, stated rate (percentage) | 6.00% | 6.00% | |
1.875% convertible senior notes due 2032 [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument, stated rate (percentage) | 1.875% | 1.875% | |
Debt instrument, convertible, conversion ratio | 0.0171985 | ||
Debt instrument, convertible, conversion price (in dollars per share) | $ 58.14 | ||
Conversion premium (percentage) | 47.50% |
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- Definition Initial conversion premium of the convertible notes based on the closing price of the common stock on the transaction closing date. No definition available.
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- Definition The price per share of the conversion feature embedded in the debt instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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