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RESTRUCTURING AND OTHER RELATED CHARGES (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 31, 2013 USD ($) | Jun. 30, 2016 USD ($) position | Sep. 30, 2016 USD ($) position | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) position
RESTRUCTURING AND OTHER RELATED CHARGES (Details) [Line Items] |  |  |  |  |
Asset impairment charges - restructuring |  |  | $ 0 | $ 0 | $ 191
Restructuring and other related charges |  |  | 5,900 | $ 0 | 6,136
Facilities & Exit Costs [Member] |  |  |  |  |
RESTRUCTURING AND OTHER RELATED CHARGES (Details) [Line Items] |  |  |  |  |
Restructuring and other related charges |  |  | $ 659 |  |
Plastics [Member] |  |  |  |  |
RESTRUCTURING AND OTHER RELATED CHARGES (Details) [Line Items] |  |  |  |  |
Asset impairment charges - restructuring |  | $ 5,900 |  |  |
Expected number of positions eliminated | position |  | 86 |  |  |
Telephonics [Member] |  |  |  |  |
RESTRUCTURING AND OTHER RELATED CHARGES (Details) [Line Items] |  |  |  |  |
Restructuring and other related charges |  |  |  |  | $ 4,244
Expected number of positions eliminated | position |  |  |  |  | 80
AMES [Member] |  |  |  |  |
RESTRUCTURING AND OTHER RELATED CHARGES (Details) [Line Items] |  |  |  |  |
Restructuring and other related charges | $ 7,941 |  |  |  |
Expected restructuring cost | 19,964 |  |  |  |
Number of positions eliminated, inception to date | position |  |  | 46 |  |
AMES [Member] | Cash Charges [Member] |  |  |  |  |
RESTRUCTURING AND OTHER RELATED CHARGES (Details) [Line Items] |  |  |  |  |
Restructuring and other related charges | 4,016 |  |  |  |
AMES [Member] | Asset Impairment [Member] |  |  |  |  |
RESTRUCTURING AND OTHER RELATED CHARGES (Details) [Line Items] |  |  |  |  |
Restructuring and other related charges | 3,925 |  |  |  |
AMES [Member] | One-time Termination Benefits [Member] |  |  |  |  |
RESTRUCTURING AND OTHER RELATED CHARGES (Details) [Line Items] |  |  |  |  |
Restructuring and other related charges | 2,622 |  |  |  |
AMES [Member] | Facilities & Exit Costs [Member] |  |  |  |  |
RESTRUCTURING AND OTHER RELATED CHARGES (Details) [Line Items] |  |  |  |  |
Restructuring and other related charges | $ 1,394 |  |  |  |
Home & Building Products [Member] |  |  |  |  |
RESTRUCTURING AND OTHER RELATED CHARGES (Details) [Line Items] |  |  |  |  |
Restructuring and other related charges |  |  |  |  | $ 1,892

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