GOODWILL AND OTHER INTANGIBLES (Details) - Summary of Changes in Carrying Value of Goodwill $ in Thousands	6 Months Ended
Mar. 31, 2017 USD ($)
Goodwill [Roll Forward]
September 30, 2016	$ 361,185
Other adjustments including currency translations	(1,100)
March 31, 2017	360,085
Home & Building Products [Member]
Goodwill [Roll Forward]
September 30, 2016	287,617
Other adjustments including currency translations	(30)
March 31, 2017	287,587
Telephonics [Member]
Goodwill [Roll Forward]
September 30, 2016	18,545
March 31, 2017	18,545
Plastics [Member]
Goodwill [Roll Forward]
September 30, 2016	55,023
Other adjustments including currency translations	(1,070)
March 31, 2017	$ 53,953

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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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.

+ Details

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Details

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- Details

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