Represents the amount of debt issuance costs and discounts.

No definition available.

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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))

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section 55

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-Publisher FASB

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-Topic 825

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-Section 50

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-Topic 210

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-Subparagraph (c)

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-Topic 825

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-Name Accounting Standards Codification

-Topic 815

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-Topic 815

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-Section 45

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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.

+ References

No definition available.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for loan and debt issuance costs.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

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-Glossary Financing Activities

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt issuance costs	$ 3.5	$ 0.6
4.625 Notes
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Interest rate (as a percent)	4.625%		4.625%
Senior Notes4.875 Percent Due2023
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Interest rate (as a percent)	4.875%		4.875%
Term Loan Due2017
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt issuance costs			$ 1.8
Term Loan Due2022
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt issuance costs and discounts	$ 2.7
Carrying Reported Amount Fair Value Disclosure \| Commodity contracts
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Commodity purchase contracts	(3.2)		(12.9)
Estimate Of Fair Value Fair Value Disclosure \| Commodity contracts
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Commodity purchase contracts	(3.2)		(12.9)
Fair Value Inputs Level1 \| Carrying Reported Amount Fair Value Disclosure \| 4.625 Notes
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	688.0		688.0
Fair Value Inputs Level1 \| Carrying Reported Amount Fair Value Disclosure \| Senior Notes4.875 Percent Due2023
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	450.0		450.0
Fair Value Inputs Level1 \| Estimate Of Fair Value Fair Value Disclosure \| 4.625 Notes
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	585.7		651.9
Fair Value Inputs Level1 \| Estimate Of Fair Value Fair Value Disclosure \| Senior Notes4.875 Percent Due2023
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	378.8		426.7
Fair Value Inputs Level2 \| Carrying Reported Amount Fair Value Disclosure \| Term Loan Due2017
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt			192.6
Fair Value Inputs Level2 \| Carrying Reported Amount Fair Value Disclosure \| Term Loan Due2022
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	245.5
Fair Value Inputs Level2 \| Estimate Of Fair Value Fair Value Disclosure \| Term Loan Due2017
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt			$ 194.4
Fair Value Inputs Level2 \| Estimate Of Fair Value Fair Value Disclosure \| Term Loan Due2022
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	$ 249.9