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The percentage due of the amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

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- Definition

Number of Vessels Under Construction

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No definition available.

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Term of Charter Agreement in Years

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No definition available.

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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer.

+ References

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

-Publisher FASB

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The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

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Contractually required future rental payments receivable on noncancelable subleasing arrangements.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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-Publisher FASB

-Name Accounting Standards Codification

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Commitments And Contingencies And Other Matters (Narrative) (Details) (USD $)	12 Months Ended			1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Sep. 30, 2013
Commitments And Contingencies [Line Items]
Property and equipment	$ 2,241,444,000us-gaap_PropertyPlantAndEquipmentGross	$ 1,963,706,000us-gaap_PropertyPlantAndEquipmentGross
Charter fee deposit	12,544,000us-gaap_DepositsAssetsNoncurrent
Operating leases, rent expense, net	147,200,000us-gaap_OperatingLeasesRentExpenseNet	102,100,000us-gaap_OperatingLeasesRentExpenseNet	85,000,000us-gaap_OperatingLeasesRentExpenseNet
Operating leases, rent expense, sublease rentals	800,000	400,000
Operating leases, future minimum payments due, future minimum sublease rentals	2,000,000
Q5000 [Member]
Commitments And Contingencies [Line Items]
Long-term purchase commitment				386,500,000
Payments to acquire property, plant, and equipment	289,400,000
Property and equipment	342,400,000
Robotics [Member]
Commitments And Contingencies [Line Items]
Term Of Charter Agreement	5 years
Q7000 [Member]
Commitments And Contingencies [Line Items]
Long-term purchase commitment					346,000,000
Payments to acquire property, plant, and equipment	69,200,000
Property and equipment	91,800,000
Q7000 [Member] \| Contract Signing [Member]
Commitments And Contingencies [Line Items]
Long-term purchase commitment percentage	20.00%
Q7000 [Member] \| Vessel Delivery [Member]
Commitments And Contingencies [Line Items]
Long-term purchase commitment percentage	80.00%
Topside Equipment [Member]
Commitments And Contingencies [Line Items]
Property and equipment	$ 52,000,000
Monohull Vessels [Member]
Commitments And Contingencies [Line Items]
Number of vessels under construction	2