Derivative hedging agreements covering entity diesel fuel requirements for current fiscal year.

No definition available.

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- Definition

Derivative hedging agreements covering entity diesel fuel requirements for second fiscal year.

+ References

No definition available.

+ Details

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- Definition

Derivative hedging agreements covering entity diesel fuel requirements next fiscal year.

+ References

No definition available.

+ Details

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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 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))

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ 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)(2))

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

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16(a))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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Derivative Instruments and Risk Management - Additional Information (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended
	Dec. 09, 2014	Dec. 31, 2014	Dec. 31, 2013
2.45% Senior notes due December 15, 2019
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Senior notes		$ 300.0	$ 0
Interest rate of debt	2.45%	2.45%	2.45%
Maturity date of debt	Dec. 15, 2019	Dec. 15, 2019	Dec. 15, 2019
Interest Rate Swaps \| 2.45% Senior notes due December 15, 2019
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Senior notes	300.0
Interest rate of debt		2.45%
Maturity date of debt		Dec. 15, 2019
Designated as Hedging Instrument
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Derivative hedging agreements covering diesel fuel requirements		57.00%
Derivative hedging agreements covering diesel fuel requirements, year 2015		63.00%
Derivative hedging agreements covering diesel fuel requirements, year 2016		16.00%
Designated as Hedging Instrument \| Foreign Exchange Contract
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Face value of unexpired foreign currency contracts		$ 53.3