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Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 29, 2012
Business Acquisition [Line Items]
Number of acquisitions completed	4
Space And Defense Segment [Member]
Business Acquisition [Line Items]
Number of acquisitions completed	2
Components Segment [Member]
Business Acquisition [Line Items]
Number of acquisitions completed	2
Protokraft [Member]
Business Acquisition [Line Items]
Acquisitions of businesses, net of cash acquired	12,500
Business Acquisition, Contingent Consideration, at Fair Value	4,809
Tritech [Member]
Business Acquisition [Line Items]
Acquisitions of businesses, net of cash acquired	34,267
Business Acquisitions, Working Capital Adjustments, Cash Paid	1,346
Bradford Engineering [Member]
Business Acquisition [Line Items]
Acquisitions of businesses, net of cash acquired	13,173
In-Space Propulsion [Member]
Business Acquisition [Line Items]
Acquisitions of businesses, net of cash acquired	45,495

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Business Acquisitions, Working Capital Adjustments, Cash Paid

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- Definition

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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-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.



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- Definition

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+ References

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-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f(1)

-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.



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