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SEGMENT INFORMATION - Information about the Company's Operations by Geographic Area (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2014
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sales | $ 396,064 | $ 389,630 | $ 380,916 | $ 348,998 | $ 376,995 | $ 382,061 | $ 367,176 | $ 354,232 | $ 1,515,608 | $ 1,480,464 | $ 1,426,068 |
Long-lived assets | 1,557,709 |  |  |  | 1,464,822 |  |  |  | 1,557,709 | 1,464,822 |  | $ 1,498,136
United States |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  | 1,014,906 | 1,018,129 | 936,513 |
Long-lived assets | 1,027,891 |  |  |  | 1,000,870 |  |  |  | 1,027,891 | 1,000,870 |  | 1,016,703
Central and South America |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  | 6,518 | 10,160 | 8,806 |
Long-lived assets | 13,882 |  |  |  | 13,267 |  |  |  | 13,882 | 13,267 |  | 17,488
Canada |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  | 29,018 | 27,589 | 30,367 |
Long-lived assets | 41,971 |  |  |  | 41,393 |  |  |  | 41,971 | 41,393 |  | 41,690
Europe |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  | 396,242 | 360,678 | 398,533 |
Long-lived assets | 382,940 |  |  |  | 334,847 |  |  |  | 382,940 | 334,847 |  | 349,533
Australia |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  | 21,507 | 20,043 | 21,225 |
Long-lived assets | 24,887 |  |  |  | 23,768 |  |  |  | 24,887 | 23,768 |  | 22,072
Asia |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  | 47,417 | 43,865 | $ 30,624 |
Long-lived assets | $ 66,138 |  |  |  | $ 50,677 |  |  |  | $ 66,138 | $ 50,677 |  | $ 50,650

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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