Restructuring (Schedule of Restructuring Reserve Activity) (Details) $ in Thousands	3 Months Ended
Dec. 31, 2016 USD ($)
Restructuring Reserve
Restructuring accrual at beginning of period	$ 7,846
Adjustments to provision	(64)
Foreign currency translation	(159)
Restructuring accrual at end of period	6,531
2014 Plan
Restructuring Reserve
Payments	(125)
Restructuring accrual at end of period	433
2015 Plan
Restructuring Reserve
Payments	(201)
Restructuring accrual at end of period	421
2016 Plan
Restructuring Reserve
Payments	(766)
Restructuring accrual at end of period	5,677
Aircraft Controls
Restructuring Reserve
Restructuring accrual at beginning of period	1,474
Adjustments to provision	0
Foreign currency translation	(58)
Restructuring accrual at end of period	1,254
Aircraft Controls \| 2014 Plan
Restructuring Reserve
Payments	0
Aircraft Controls \| 2015 Plan
Restructuring Reserve
Payments	(110)
Aircraft Controls \| 2016 Plan
Restructuring Reserve
Payments	(52)
Space And Defense Controls
Restructuring Reserve
Restructuring accrual at beginning of period	665
Adjustments to provision	(44)
Foreign currency translation	(3)
Restructuring accrual at end of period	493
Space And Defense Controls \| 2014 Plan
Restructuring Reserve
Payments	(125)
Space And Defense Controls \| 2015 Plan
Restructuring Reserve
Payments	0
Space And Defense Controls \| 2016 Plan
Restructuring Reserve
Payments	0
Industrial Systems
Restructuring Reserve
Restructuring accrual at beginning of period	3,611
Adjustments to provision	(20)
Foreign currency translation	(98)
Restructuring accrual at end of period	3,055
Industrial Systems \| 2014 Plan
Restructuring Reserve
Payments	0
Industrial Systems \| 2015 Plan
Restructuring Reserve
Payments	(91)
Industrial Systems \| 2016 Plan
Restructuring Reserve
Payments	(347)
Components
Restructuring Reserve
Restructuring accrual at beginning of period	369
Adjustments to provision	0
Foreign currency translation	0
Restructuring accrual at end of period	88
Components \| 2014 Plan
Restructuring Reserve
Payments	0
Components \| 2015 Plan
Restructuring Reserve
Payments	0
Components \| 2016 Plan
Restructuring Reserve
Payments	(281)
Corporate, Non-Segment
Restructuring Reserve
Restructuring accrual at beginning of period	1,727
Adjustments to provision	0
Foreign currency translation	0
Restructuring accrual at end of period	1,641
Corporate, Non-Segment \| 2014 Plan
Restructuring Reserve
Payments	0
Corporate, Non-Segment \| 2015 Plan
Restructuring Reserve
Payments	0
Corporate, Non-Segment \| 2016 Plan
Restructuring Reserve
Payments	$ (86)

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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b)(2))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b)(2))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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