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PENSIONS - Asset Allocation (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Marine Scheme
Pensions:
Target allocation	100.00%
Actual allocation	100.00%	100.00%
Marine Scheme | Minimum [Member] | Equity
Pensions:
Target allocation, minimum	30.00%
Actual allocation		30.00%	30.00%
Marine Scheme | Minimum [Member] | Bonds
Pensions:
Target allocation, minimum	10.00%
Actual allocation		10.00%	10.00%
Marine Scheme | Minimum [Member] | Other
Pensions:
Target allocation, minimum	20.00%
Actual allocation		20.00%	20.00%
Marine Scheme | Maximum [Member] | Equity
Pensions:
Target allocation, maximum	65.00%
Actual allocation		65.00%	65.00%
Marine Scheme | Maximum [Member] | Bonds
Pensions:
Target allocation, maximum	50.00%
Actual allocation		50.00%	50.00%
Marine Scheme | Maximum [Member] | Other
Pensions:
Target allocation, maximum	40.00%
Actual allocation		40.00%	40.00%
UK Scheme
Pensions:
Target allocation	100.00%
Actual allocation	100.00%	100.00%
UK Scheme | Equity
Pensions:
Target allocation	70.00%
Actual allocation	71.00%	72.50%
UK Scheme | Bonds
Pensions:
Target allocation	30.00%
Actual allocation	29.00%	22.50%
UK Scheme | Cash
Pensions:
Target allocation	0.00%
Actual allocation	0.00%	5.00%

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Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Target allocation maximum percentage of investments of this type to total plan assets presented on a weighted average basis.

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-Publisher FASB

-Name Accounting Standards Codification

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Target allocation minimum percentage of investments of this type to total plan assets presented on a weighted average basis.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

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Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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