Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018	Sep. 29, 2019
Summary Of Significant Accounting Policies
Fiscal Period Duration - Weeks	1 year	1 year	1 year
Goodwill impairment charge	$ 0
Initial Right of Use Asset Recognized				$ 75,521
Initial Lease Liability				$ 79,187
Change in Accounting Principle Cash Flow Impact	279,177	$ 181,423	$ 102,407
Restatement Adjustment
Summary Of Significant Accounting Policies
Change in Accounting Principle Cash Flow Impact	$ 0
Minimum
Summary Of Significant Accounting Policies
Warranty period - months	twelve
Maximum
Summary Of Significant Accounting Policies
Warranty period - months	sixty
Buildings and Improvements | Minimum
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life	15 years
Buildings and Improvements | Maximum
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life	40 years
Machinery And Equipment | Minimum
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life	5 years
Machinery And Equipment | Maximum
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life	15 years
Computer Equipment and Software | Minimum
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life	3 years
Computer Equipment and Software | Maximum
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life	10 years
Stock Appreciation Rights (SARs)
Summary Of Significant Accounting Policies
Vesting period	3 years
Performance-based Restricted Stock Units (PSUs)
Summary Of Significant Accounting Policies
Vesting period	3 years
Fixed income funds
Summary Of Significant Accounting Policies
Defined Benefit Plan Percentage of Plan Assets	80.00%
Other plan assets
Summary Of Significant Accounting Policies
Defined Benefit Plan Percentage of Plan Assets	20.00%