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Derivatives Measured at Fair Value and Disclosed by Balance Sheet Location (Detail) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2014
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Dec. 31, 2013
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|---|---|---|
| Derivatives, Fair Value [Line Items] | ||
| Derivative assets, fair value | $ 1,947 | $ 27,471 |
| Derivative liabilities, fair value | 7,533 | 19,478 |
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Designated as Hedging Instrument | Fuel Swaps | Prepaid Expenses and Other Assets
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| Derivatives, Fair Value [Line Items] | ||
| Derivative assets, fair value | 1,695 | 5,024 |
| Derivative liabilities, fair value | 27 | 666 |
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Designated as Hedging Instrument | Fuel Swaps | Other long-term assets
|
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| Derivatives, Fair Value [Line Items] | ||
| Derivative assets, fair value | 252 | 6,869 |
| Derivative liabilities, fair value | 98 | 9 |
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Designated as Hedging Instrument | Fuel Swaps | Accrued expenses and other liabilities
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| Derivatives, Fair Value [Line Items] | ||
| Derivative assets, fair value | 1,110 | |
| Derivative liabilities, fair value | 1,646 | |
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Designated as Hedging Instrument | Fuel Swaps | Other long-term liabilities
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| Derivatives, Fair Value [Line Items] | ||
| Derivative assets, fair value | 809 | |
| Derivative liabilities, fair value | 1,353 | |
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Designated as Hedging Instrument | Fuel Collars | Prepaid Expenses and Other Assets
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| Derivatives, Fair Value [Line Items] | ||
| Derivative assets, fair value | 452 | |
| Derivative liabilities, fair value | 195 | |
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Designated as Hedging Instrument | Fuel Collars | Accrued expenses and other liabilities
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| Derivatives, Fair Value [Line Items] | ||
| Derivative assets, fair value | 152 | |
| Derivative liabilities, fair value | 110 | |
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Designated as Hedging Instrument | Foreign Exchange Option | Accrued expenses and other liabilities
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| Derivatives, Fair Value [Line Items] | ||
| Derivative liabilities, fair value | 9,815 | |
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Designated as Hedging Instrument | Foreign Exchange Forward | Prepaid Expenses and Other Assets
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| Derivatives, Fair Value [Line Items] | ||
| Derivative assets, fair value | 2,624 | |
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Designated as Hedging Instrument | Foreign Exchange Forward | Accrued expenses and other liabilities
|
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| Derivatives, Fair Value [Line Items] | ||
| Derivative liabilities, fair value | 6,582 | |
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Designated as Hedging Instrument | Foreign Currency Collar | Prepaid Expenses and Other Assets
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| Derivatives, Fair Value [Line Items] | ||
| Derivative assets, fair value | 12,502 | |
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Designated as Hedging Instrument | Interest Rate Swap | Accrued expenses and other liabilities
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| Derivatives, Fair Value [Line Items] | ||
| Derivative liabilities, fair value | 2,590 | 1,707 |
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Designated as Hedging Instrument | Interest Rate Swap | Other long-term liabilities
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| Derivatives, Fair Value [Line Items] | ||
| Derivative liabilities, fair value | 1,724 | 1,374 |
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Not Designated as Hedging Instrument | Fuel Options | Prepaid Expenses and Other Assets
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| Derivatives, Fair Value [Line Items] | ||
| Derivative liabilities, fair value | 195 | |
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Not Designated as Hedging Instrument | Fuel Options | Accrued expenses and other liabilities
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| Derivatives, Fair Value [Line Items] | ||
| Derivative liabilities, fair value | $ 110 |