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Supplemental Guarantor Financial Information (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
7.25% senior notes due December 2018
Long-Term Debt
Aggregate principal amount	$ 350.0
Interest rate (as a percent)	7.25%	7.25%
Guarantor Subsidiaries
Long-Term Debt
Ownership interest (as a percent)	100.00%

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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



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-Name Accounting Standards Codification



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-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.22(a)(1))



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-Name Regulation S-X (SX)



-Number 210



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-Paragraph 22



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