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Fair Value of Financial Instruments (Details) (USD $)
In Millions, unless otherwise specified |
Sep. 30, 2014
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Aug. 18, 2014
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Dec. 21, 2012
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Oct. 17, 2012
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| Debt Instrument [Line Items] | ||||
| Fair value of notes | $ 627.0 | |||
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October Notes [Member]
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| Debt Instrument [Line Items] | ||||
| Unamortized discount | 3.0 | |||
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December Notes [Member]
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| Debt Instrument [Line Items] | ||||
| Unamortized premium | 0.4 | |||
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August Notes [Member]
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| Debt Instrument [Line Items] | ||||
| Unamortized premium | 17.8 | |||
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Senior Notes [Member]
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| Debt Instrument [Line Items] | ||||
| Carrying value of debt | 615.2 | |||
| Unamortized discount | 3.7 | |||
| Unamortized premium | $ 18.0 | $ 0.5 |
| X | ||||||||||
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- Definition
Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Represents the aggregate of total long-term debt, including current maturities and short-term debt. No definition available.
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