Acquisitions & Divestitures (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Business Acquisition [Line Items]
Number of Businesses Acquired	0	2
Aspen [Member]
Business Acquisition [Line Items]
Acquisitions of businesses, net of cash acquired		$ 33,911
Broad Reach [Member] [Member]
Business Acquisition [Line Items]
Acquisitions of businesses, net of cash acquired		34,550
Business Acquisition, Preacquisition Contingency, Amount of Settlement		3,447
Issuance of unsecured note		8,450
Space And Defense Controls Segment [Member]
Business Acquisition [Line Items]
Number of Businesses Acquired		1
Components Segment [Member]
Business Acquisition [Line Items]
Number of Businesses Acquired		1
Medical Devices [Member]
Business Acquisition [Line Items]
Business divestiture number of Entities Divested		1
Ethox Medical [Domain] [Member]
Business Acquisition [Line Items]
Proceeds from Divestiture of Businesses		5,000
Noncash or Part Noncash Divestiture, Amount of Consideration Received		$ 200