GOODWILL AND OTHER INTANGIBLES (Details) - Summary of changes in carrying value of goodwill - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2016	Sep. 30, 2015
Goodwill [Roll Forward]
Goodwill	$ 356,241	$ 374,111
Foreign currency translation adjustments	4,944	(17,870)
Goodwill	361,185	356,241
Home & Building Products [Member]
Goodwill [Roll Forward]
Goodwill	285,825	290,661
Foreign currency translation adjustments	1,792	(4,836)
Goodwill	287,617	285,825
Telephonics [Member]
Goodwill [Roll Forward]
Goodwill	18,545	18,545
Foreign currency translation adjustments	0	0
Goodwill	18,545	18,545
Plastics [Member]
Goodwill [Roll Forward]
Goodwill	51,871	64,905
Foreign currency translation adjustments	3,152	(13,034)
Goodwill	$ 55,023	$ 51,871

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.

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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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