Composition Of Certain Financial Statement Captions (Schedule Of Future Amortization Expense) (Details) (USD $) In Thousands | 12 Months Ended |
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Sep. 30, 2011 | |
| Composition Of Certain Financial Statement Captions [Abstract] | |
| 2012 | $ 12,697 |
| 2013 | 11,923 |
| 2014 | 10,279 |
| 2015 | 7,823 |
| 2016 | 5,654 |
| Thereafter | 3,197 |
| Total | $ 51,573 |
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- Definition Composition Of Certain Financial Statement Captions [Abstract]
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- Definition The aggregate estimated amortization expense for succeeding fiscal years for intangible assets subject to amortization. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of amortization expense expected to be recognized for the remainder of the finite-lived intangible asset useful life after the fifth succeeding fiscal year.
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- Definition The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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