Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Summary Of Significant Accounting Policies [Line Items]
Percentage of sales accounted for using percentage of completion	34.00%	33.00%	32.00%
Percent of sales as units are delivered or services are performed	66.00%
Goodwill impairment charge	$ 0	$ 38,200	$ 0
Impairment charges of long-lived assets		0	0
Unresolved Claim Revenue	not material	not material	not material
Buildings [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property plant and equipment, years	40
Building Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property plant and equipment, years	15
Machinery And Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property plant and equipment, years	10
Tooling And Test Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property plant and equipment, years	8
Furniture And Fixtures [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property plant and equipment, years	12
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Standard Product Warranty Description	sixty
Maximum [Member] | Computer Hardware [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property plant and equipment, years	5
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Standard Product Warranty Description	twelve
Minimum [Member] | Computer Hardware [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property plant and equipment, years	3
Industrial Systems [Member]
Summary Of Significant Accounting Policies [Line Items]
Goodwill impairment charge		0
Industrial Systems [Member] | Finite-Lived Intangible Assets [Member]
Summary Of Significant Accounting Policies [Line Items]
Restructuring Costs and Asset Impairment Charges	739
Medical Devices [Member]
Summary Of Significant Accounting Policies [Line Items]
Goodwill impairment charge		38,200
Medical Devices [Member] | Property, Plant and Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Restructuring Costs and Asset Impairment Charges	$ 1,296