v2.4.0.8

FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
4.625 Notes
Carrying amount and estimated fair values of debt
Interest rate (as a percent)	4.625%	4.625%
4.875 Notes
Carrying amount and estimated fair values of debt
Interest rate (as a percent)	4.875%	4.875%
ABL Revolver due 2018
Carrying amount and estimated fair values of debt
Interest rate (as a percent)	3.75%
Level 2 | Term Loan
Carrying amount and estimated fair values of debt
Debt issuance costs	$ 2.2	$ 2.4
Carrying Amount | Level 1 | 4.625 Notes
Carrying amount and estimated fair values of debt
Long-term debt	688.0	688.0
Carrying Amount | Level 1 | 4.875 Notes
Carrying amount and estimated fair values of debt
Long-term debt	450.0	450.0
Carrying Amount | Level 2 | Commodity hedge contracts
Carrying amount and estimated fair values of debt
Derivative liability	0.1
Carrying Amount | Level 2 | Term Loan
Carrying amount and estimated fair values of debt
Long-term debt	193.6	194.8
Carrying Amount | Level 2 | ABL Revolver due 2018
Carrying amount and estimated fair values of debt
Long-term debt	13.7
Fair Value | Level 1 | 4.625 Notes
Carrying amount and estimated fair values of debt
Long-term debt	690.6	676.4
Fair Value | Level 1 | 4.875 Notes
Carrying amount and estimated fair values of debt
Long-term debt	449.2	426.9
Fair Value | Level 2 | Commodity hedge contracts
Carrying amount and estimated fair values of debt
Derivative liability	0.1
Fair Value | Level 2 | Term Loan
Carrying amount and estimated fair values of debt
Long-term debt	196.7	199.0
Fair Value | Level 2 | ABL Revolver due 2018
Carrying amount and estimated fair values of debt
Long-term debt	$ 13.7

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 2: 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

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X

- 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 assets not subject to a master netting arrangement and not elected to be offset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13495-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226008-175313

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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.

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X

- Definition

The cash outflow for loan and debt issuance costs.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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