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Acquisitions (Details) (USD $) | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 29, 2013 | Sep. 29, 2012 | Jun. 29, 2013 Ethox Medical [Domain] [Member] | Jun. 30, 2012 Ethox Medical [Domain] [Member] | Jun. 29, 2013 Medical Devices [Member] | Jun. 29, 2013 Aspen [Member] | Jun. 29, 2013 Space And Defense Segment [Member] | Sep. 29, 2012 Space And Defense Segment [Member] | Jun. 29, 2013 Broad Reach [Member] [Member] | Jun. 29, 2013 Components Segment [Member] | Sep. 29, 2012 Components Segment [Member] | Sep. 29, 2012 Protokraft [Member] | Sep. 29, 2012 Tritech [Member] | Sep. 29, 2012 Bradford Engineering [Member] | Sep. 29, 2012 In-Space Propulsion [Member] | Jun. 29, 2013 In-Space Propulsion [Member]
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of acquisitions completed | 2 | 4 |  |  |  |  | 1 | 2 |  | 1 | 2 |  |  |  |  |
Business Acquisition Issuance Of Unsecured Notes |  |  |  |  |  |  |  |  | $ 8,450,000 |  |  |  |  |  |  |
Acquisitions of businesses, net of cash acquired |  |  |  |  |  | 33,911,000 |  |  | 34,550,000 |  |  | 12,500,000 | 34,267,000 | 13,173,000 | 44,845,000 |
Business Acquisitions, Working Capital Adjustments, Cash Paid |  |  |  |  |  |  |  |  |  |  |  |  | (1,346,000) |  |  | 650,000
Business Acquisition, Preacquisition Contingency, Amount of Settlement |  |  |  |  |  |  |  |  | 2,565,000 |  |  | 4,809,000 |  |  |  |
Business divestiture number of Entities Divested |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |
Proceeds from Divestiture of Businesses |  |  |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Noncash or Part Noncash Divestiture, Amount of Consideration Received |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |

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