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SUPPLEMENTAL CASH FLOW INFORMATION (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2011
Current assets: |  |  |
Accounts receivable | $ (2,586) | $ (7,554) | $ (5,560)
Inventories | 2,870 | (3,463) | (13,627)
Other current assets | 2,107 | (4,655) | (2,265)
Total change in current assets | 2,391 | (15,672) | (21,452)
Current liabilities: |  |  |
Trade accounts payable | (1,205) | 1,024 | 6,983
Accrued compensation | 7,143 | (1,476) | (8,250)
Accrued income taxes | (2,278) | (2,649) | (3,167)
Customer prepayments | (2,530) | 1,162 | 2,028
Other current liabilities | (9,329) | 1,208 | 765
Total change in current liabilities | (8,199) | (731) | (1,641)
Net change | $ (5,808) | $ (16,403) | $ (23,093)

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- Definition Change in recurring obligations of a business that arise from the acquisition of merchandise, materials, supplies and services used in the production and sale of goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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