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ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications - USD ($) $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | May. 21, 2014 | Dec. 31, 2013 | Sep. 30, 2013
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Goodwill | $ 356,241 | $ 374,111 |  |  | $ 354,459
Customer relationships [Member] |  |  |  |  |
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Amortization Period (Years) | 25 years |  |  |  |
2014 Acquirees [Member] |  |  |  |  |
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Goodwill | $ 24,841 |  |  |  |
Indefinite life intangible assets | 6,669 |  |  |  |
Amortizable intangible assets | 17,706 |  |  |  |
Total Goodwill and Intangibles | 49,216 |  |  |  |
2014 Acquirees [Member] | Customer relationships [Member] |  |  |  |  |
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Amortizable intangible assets | 17,706 |  |  |  |
2014 Acquirees [Member] | Trade names [Member] |  |  |  |  |
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Indefinite life intangible assets | $ 6,669 |  |  |  |
Cyclone [Member] |  |  |  |  |
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Goodwill |  |  | $ 13,587 |  |
Indefinite life intangible assets |  |  | 3,548 |  |
Amortizable intangible assets |  |  | 11,608 |  |
Total Goodwill and Intangibles |  |  | 28,743 |  |
Cyclone [Member] | Customer relationships [Member] |  |  |  |  |
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Amortizable intangible assets |  |  | 11,608 |  |
Cyclone [Member] | Trade names [Member] |  |  |  |  |
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Indefinite life intangible assets |  |  | $ 3,548 |  |
Northcote Pottery [Member] |  |  |  |  |
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Goodwill |  |  |  | $ 11,254 |
Indefinite life intangible assets |  |  |  | 3,121 |
Amortizable intangible assets |  |  |  | 6,098 |
Total Goodwill and Intangibles |  |  |  | 20,473 |
Northcote Pottery [Member] | Customer relationships [Member] |  |  |  |  |
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Amortizable intangible assets |  |  |  | 6,098 |
Northcote Pottery [Member] | Trade names [Member] |  |  |  |  |
ACQUISITIONS (Details) - Summary of Goodwill and Intangible Asset Classifications [Line Items] |  |  |  |  |
Indefinite life intangible assets |  |  |  | $ 3,121 |

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- Definition Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
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