Derivative Instruments and Hedging Activities - Location and Fair Value Amounts of Derivative Instruments (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Prepaids and Other	$ 88
Derivative Assets	18,376	$ 14,415
Accrued Liabilities	(21,554)	(24,491)
Current Portion of Derivative Liabilities	(207,836)	(203,957)
Derivative Liabilities	(419,381)	(422,182)
Derivatives not designated as a cash flow hedge [Member] \| Warrant [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	11,051	9,314
Derivatives not designated as a cash flow hedge [Member] \| Foreign currency contracts [Member]
Derivatives, Fair Value [Line Items]
Prepaids and Other	88
Derivative Assets	556
Current Portion of Derivative Liabilities	(13,797)	(14,218)
Derivative Liabilities	(2,196)	(4,189)
Derivatives not designated as a cash flow hedge [Member] \| Interest rate swap agreements [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	6,769	5,101
Accrued Liabilities	(19,016)	(22,656)
Current Portion of Derivative Liabilities	(119,334)	(148,006)
Derivative Liabilities	(230,184)	(240,171)
Derivatives not designated as a cash flow hedge [Member] \| Cross currency swap agreements [Member]
Derivatives, Fair Value [Line Items]
Accrued Liabilities	(2,538)	(1,835)
Current Portion of Derivative Liabilities	(74,705)	(41,733)
Derivative Liabilities	$ (187,001)	$ (177,822)

Derivative instruments and hedges accrued liabilities.

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- Definition

Derivative instruments and hedges Prepaids and other.

+ References

No definition available.

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- Definition

Sum as of the balance sheet date of the (a) fair values of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and (b) the carrying amounts of the liabilities arising from financial instruments or contracts used to mitigate a specified risk (hedge), and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

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- Definition

Carrying amount as of the balance sheet date of the assets arising from derivative contracts and hedging activities, which are expected to be converted into cash or otherwise disposed of after a year or beyond the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

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

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- 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, expected to be settled after one year or the normal operating cycle, if longer. 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 210

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-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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-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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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-Paragraph 10

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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.

+ References

No definition available.

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