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Supplemental Guarantor Financial Information - Narrative (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Guarantor Subsidiaries
Debt Instrument [Line Items]
Ownership interest (as a percent)	100.00%
7.25% senior notes due December 2018
Debt Instrument [Line Items]
Interest rate (as a percent)	7.25%	7.25%
Aggregate principal amount	$ 350,000,000

X

- 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



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-Name Accounting Standards Codification



-Topic 835



-SubTopic 30



-Section 45



-Paragraph 2



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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



Reference 2: http://www.xbrl.org/2003/role/presentationRef



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-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 22



-Article 5

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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