Business Combinations (Identifiable Intangible Assets Acquired in Connection with the Acquisition) (Details) (Aker Solutions ASA [Member], USD $) In Thousands, unless otherwise specified	Mar. 30, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Estimate of the values of the acquired intangible assets	$ 159,000
Customer relationships / backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Estimate of the values of the acquired intangible assets	136,000
Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Estimate of the values of the acquired intangible assets	$ 23,000

The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant