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GOODWILL AND OTHER INTANGIBLES (Details) - Summary of changes in carrying value of goodwill - USD ($) $ in Thousands | 12 Months Ended
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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

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- Definition 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. + References 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 + Details
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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 + Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |