Represents the repurchase price of long term debt as a percentage of its principal amount.

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- Definition

Decrease for amounts repaid on the debt instrument for the period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 4

-Section 08

-Paragraph f

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

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-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

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- Definition

Interest rate stated in the contractual debt agreement.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-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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- 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.

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- Definition

Decrease for amounts repaid on the credit facility for the period.

+ References

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- Definition

Increase for additional borrowings on the credit facility during the period.

+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Publisher FASB

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-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Publisher FASB

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-Topic 210

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-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 7

-Section 03

-Paragraph 16

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-Publisher FASB

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-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

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-Publisher SEC

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-Number 210

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-Paragraph 16

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

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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.

+ Details

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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Financing Agreements (Details) (USD $)	1 Months Ended						1 Months Ended	3 Months Ended	12 Months Ended		9 Months Ended		9 Months Ended										1 Months Ended
Financing Agreements (Details) (USD $)	Apr. 30, 2010	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2011 CFI	Dec. 31, 2010 CFI	Apr. 05, 2010 CFI Bridge Loan Agreement	Apr. 30, 2010 CFI Term loan	Jun. 30, 2010 CFI Term loan	Dec. 31, 2010 CFI Term loan	Apr. 05, 2010 CFI Term loan	Sep. 30, 2011 CFI Senior notes due 2018 and 2020	Apr. 23, 2010 CFI Senior notes due 2018 and 2020	Sep. 30, 2011 CFI Credit Agreement	Apr. 05, 2010 CFI Credit Agreement	Sep. 30, 2011 CFI Revolving credit facility	Apr. 05, 2010 CFI Revolving credit facility	Sep. 30, 2011 CFI Unsecured senior notes 6.875% due 2018	Dec. 31, 2010 CFI Unsecured senior notes 6.875% due 2018	Apr. 23, 2010 CFI Unsecured senior notes 6.875% due 2018	Sep. 30, 2011 CFI Unsecured senior notes 7.125% due 2020	Dec. 31, 2010 CFI Unsecured senior notes 7.125% due 2020	Apr. 23, 2010 CFI Unsecured senior notes 7.125% due 2020	Oct. 31, 2009 Terra Unsecured senior notes 7.0% due 2017	Sep. 30, 2011 Terra Unsecured senior notes 7.0% due 2017	Dec. 31, 2010 Terra Unsecured senior notes 7.0% due 2017	Feb. 28, 2007 Terra Unsecured senior notes 7.0% due 2017
Financing agreements
Long-term debt		$ 1,613,000,000	$ 1,954,100,000						$ 341,100,000		$ 1,600,000,000						$ 800,000,000	$ 800,000,000		$ 800,000,000	$ 800,000,000			$ 13,000,000	$ 13,000,000
Net long-term debt		1,613,000,000	1,954,100,000	1,600,000,000	1,941,100,000
Debt Instruments
Maximum borrowing capacity						1,750,000,000				2,000,000,000				2,300,000,000		500,000,000
Borrowings under multiple-draw loan agreement							1,900,000,000
Interest rate (as a percent)																	6.875%			7.125%				7.00%
Principal amount												1,600,000,000							800,000,000			800,000,000				330,000,000
Variable interest base rate													applicable margin over LIBOR or a base rate
Available credit															491,200,000
Repayment of borrowings	1,100,000,000							864,200,000
Repayment of borrowings									650,000,000														317,500,000
Carrying value of long term debt		1,613,000,000	1,954,100,000						341,100,000		1,600,000,000						800,000,000	800,000,000		800,000,000	800,000,000			13,000,000	13,000,000
Fair value of long-term debt											$ 1,800,000,000
Repurchase price of notes as a percentage of principal amount											101.00%