Restructuring (Schedule of Restructuring Reserve Activity) (Details) $ in Thousands	6 Months Ended
Mar. 30, 2019 USD ($)
Restructuring Reserve
Restructuring accrual at beginning of period	$ 8,113
Adjustments to provision	20
Foreign currency translation	(91)
Restructuring accrual at end of period	4,774
2016 Plan
Restructuring Reserve
Cash payments	(297)
Restructuring accrual at end of period	132
2018 Plan
Restructuring Reserve
Cash payments	(2,971)
Restructuring accrual at end of period	4,642
Aircraft Controls
Restructuring Reserve
Restructuring accrual at beginning of period	626
Adjustments to provision	20
Foreign currency translation	4
Restructuring accrual at end of period	0
Aircraft Controls \| 2016 Plan
Restructuring Reserve
Cash payments	0
Aircraft Controls \| 2018 Plan
Restructuring Reserve
Cash payments	(650)
Space And Defense Controls
Restructuring Reserve
Restructuring accrual at beginning of period	64
Adjustments to provision	0
Foreign currency translation	0
Restructuring accrual at end of period	41
Space And Defense Controls \| 2016 Plan
Restructuring Reserve
Cash payments	0
Space And Defense Controls \| 2018 Plan
Restructuring Reserve
Cash payments	(23)
Industrial Systems
Restructuring Reserve
Restructuring accrual at beginning of period	6,994
Adjustments to provision	0
Foreign currency translation	(95)
Restructuring accrual at end of period	4,601
Industrial Systems \| 2016 Plan
Restructuring Reserve
Cash payments	0
Industrial Systems \| 2018 Plan
Restructuring Reserve
Cash payments	(2,298)
Corporate
Restructuring Reserve
Restructuring accrual at beginning of period	429
Adjustments to provision	0
Foreign currency translation	0
Restructuring accrual at end of period	132
Corporate \| 2016 Plan
Restructuring Reserve
Cash payments	(297)
Corporate \| 2018 Plan
Restructuring Reserve
Cash payments	$ 0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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- Definition

Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

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-Publisher FASB
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

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