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Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 01, 2016 | Oct. 03, 2015 | Sep. 27, 2014
Summary Of Significant Accounting Policies |  |  |
Fiscal Period Duration - Weeks | 1 year | 1 year 7 days | 1 year
Percentage of sales accounted for using percentage of completion | 34.00% | 33.00% | 34.00%
Percent of sales as units are delivered or services are performed | 66.00% |  |
Vesting period | 3 years |  |
Goodwill impairment charge | $ 4,800 | $ 0 | $ 0
Impairment charges of long-lived assets |  | 2,432 |
Minimum |  |  |
Summary Of Significant Accounting Policies |  |  |
Standard Product Warranty Description | twelve |  |
Minimum | Buildings and Improvements |  |  |
Summary Of Significant Accounting Policies |  |  |
Estimated useful lives of property plant and equipment, years | 15 |  |
Minimum | Machinery And Equipment |  |  |
Summary Of Significant Accounting Policies |  |  |
Estimated useful lives of property plant and equipment, years | 5 |  |
Minimum | Computer Equipment and Software |  |  |
Summary Of Significant Accounting Policies |  |  |
Estimated useful lives of property plant and equipment, years | 3 |  |
Maximum |  |  |
Summary Of Significant Accounting Policies |  |  |
Standard Product Warranty Description | sixty |  |
Maximum | Buildings and Improvements |  |  |
Summary Of Significant Accounting Policies |  |  |
Estimated useful lives of property plant and equipment, years | 40 |  |
Maximum | Machinery And Equipment |  |  |
Summary Of Significant Accounting Policies |  |  |
Estimated useful lives of property plant and equipment, years | 15 |  |
Maximum | Computer Equipment and Software |  |  |
Summary Of Significant Accounting Policies |  |  |
Estimated useful lives of property plant and equipment, years | 7 |  |
Other Restructuring |  |  |
Summary Of Significant Accounting Policies |  |  |
Restructuring costs and asset impairment charges | $ 4,913 |  |
Other Restructuring | Finite-Lived Intangible Assets |  |  |
Summary Of Significant Accounting Policies |  |  |
Restructuring costs and asset impairment charges |  | $ 472 | 739
Other Restructuring | Property, Plant and Equipment |  |  |
Summary Of Significant Accounting Policies |  |  |
Restructuring costs and asset impairment charges |  |  | $ 1,296
Performance Shares |  |  |
Summary Of Significant Accounting Policies |  |  |
Vesting period | 3 years |  |

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