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Fair Value Measurements and Derivatives (Detail Textuals)
In Millions, unless otherwise specified |
3 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2014
USD ($)
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Dec. 31, 2013
USD ($)
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Jun. 30, 2014
Fuel Swaps
Metric_ton
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Jun. 30, 2014
Fuel Swaps
Maximum
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Jun. 30, 2014
Fuel Collars and Fuel Options
Maximum
Metric_ton
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Jun. 30, 2014
Interest Rate Swap
USD ($)
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Jun. 30, 2014
Foreign Exchange Forward
USD ($)
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Jun. 30, 2014
Foreign Exchange Forward
EUR (€)
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||||||
| Derivative maturing date | Dec. 31, 2016 | Dec. 31, 2014 | ||||||
| Projected fuel purchases | 656,000 | 17,000 | ||||||
| Notional amount of derivatives | $ 654.0 | $ 27.4 | € 20.0 | |||||
| Fair value of long-term debt | 3,626.1 | 3,146.4 | ||||||
| Fair value of long-term debt in excess of carrying value | $ 123.9 | $ 18.6 | ||||||
| X | ||||||||||
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- Definition
Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Date the derivative contract matures, in CCYY-MM-DD format. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of long-term debt instruments that have contractual principal amounts and for which the fair value option has been elected. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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. No definition available.
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