Percent of sales as units delivered or service performed.

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Percentage of sales accounted for using percentage of completion.

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Summary Of Significant Accounting Policies [Line Items]

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Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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Summary Of Significant Accounting Policies (Narrative) (Details) $ in Thousands		12 Months Ended
	Oct. 01, 2017	Sep. 29, 2018 USD ($)	Sep. 30, 2017 USD ($)	Oct. 01, 2016 USD ($)
Summary Of Significant Accounting Policies
Fiscal Period Duration - Weeks		1 year	1 year	1 year
Percentage of sales accounted for using percentage of completion		39.00%	38.00%	34.00%
Percent of sales as units are delivered or services are performed		61.00%	62.00%	66.00%
Restricted Cash		$ 2,122	$ 18,896
Goodwill impairment charge		0	0	$ 4,800
Restructuring costs and asset impairment charges		14,382		4,913
Asset impairment charges			1,378
Number of reportable segments	3
Increase (decrease) to net cash from investing activities		$ (141,642)	(109,523)	(79,218)
Restatement Adjustment
Summary Of Significant Accounting Policies
Increase (decrease) to net cash from investing activities			$ 87	$ (2,250)
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
Minimum \| Buildings and Improvements
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life		15 years
Minimum \| Machinery And Equipment
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life		5 years
Minimum \| Computer Equipment and Software
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life		3 years
Maximum \| Buildings and Improvements
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life		40 years
Maximum \| Machinery And Equipment
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life		15 years
Maximum \| Computer Equipment and Software
Summary Of Significant Accounting Policies
Property, Plant and Equipment, Useful Life		7 years