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Intangible Assets (Tables) | 12 Months Ended
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Sep. 30, 2012
Intangible Assets [Abstract] |
Schedule Of Intangible Assets Subject To Amortization |
| September 30, 2012 |  | September 30, 2011
| Gross Carrying Value | Accumulated Amortization | Net Carrying Value |  | Gross Carrying Value | Accumulated Amortization | Net Carrying Value
Supply agreement | $ 17,580 | $ (7,225) | $ 10,355 |  | $ 17,580 | $ (6,052) | $ 11,528
Purchased technology | 11,818 | (9,121) | 2,697 |  | 11,747 | (7,759) | 3,988
Non-compete agreements | 4,170 | (4,170) | — |  | 4,170 | (4,170) | —
Trade name | 1,136 | (871) | 265 |  | 1,098 | (767) | 331
Total | $ 34,704 | $ (21,387) | $ 13,317 |  | $ 34,595 | $ (18,748) | $ 15,847
Schedule Of Estimated Amortization Expense |
Years Ending September 30, | Total
2013 | $ 1,673
2014 | 1,673
2015 | 1,649
2016 | 1,576
2017 | 1,576

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References No definition available. + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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