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Goodwill and Other Identifiable Intangible Assets, Net (Tables) | 9 Months Ended
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Jun. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Amortizable Identifiable Intangible Assets | Amortizable identifiable intangible assets were (in thousands):
| June 30, 2015 |  | September 30, 2014
| Gross carrying amount |  | Accum. amort. |  | Net |  | Gross carrying amount |  | Accum. amort. |  | Net
Purchased and core technology | $ | 45,659 |  |  | $ | (45,510 | ) |  | $ | 149 |  |  | $ | 45,952 |  |  | $ | (45,162 | ) |  | $ | 790 |
License agreements | — |  |  | — |  |  | — |  |  | 2,440 |  |  | (2,440 | ) |  | — |
Patents and trademarks | 11,993 |  |  | (10,560 | ) |  | 1,433 |  |  | 11,667 |  |  | (9,799 | ) |  | 1,868 |
Customer relationships | 18,609 |  |  | (15,915 | ) |  | 2,694 |  |  | 18,894 |  |  | (15,445 | ) |  | 3,449 |
Non-compete agreements | 1,100 |  |  | (587 | ) |  | 513 |  |  | 1,100 |  |  | (422 | ) |  | 678 |
Order backlog | — |  |  | — |  |  | — |  |  | 360 |  |  | (360 | ) |  | — |
Total | $ | 77,361 |  |  | $ | (72,572 | ) |  | $ | 4,789 |  |  | $ | 80,413 |  |  | $ | (73,628 | ) |  | $ | 6,785 |
Schedule of Estimated Amortization Expense Related to Identifiable Intangible Assets | Estimated amortization expense related to identifiable intangible assets for the remainder of fiscal 2015 and the five succeeding fiscal years is (in thousands):
2015 three months | $ | 625 |
2016 | 1,926 |
2017 | 896 |
2018 | 487 |
2019 | 451 |
2020 | 168 |
Schedule of Changes in Carrying Amount of Goodwill | The changes in the carrying amount of goodwill are (in thousands):
| Nine months ended June 30,
| 2015 |  | 2014
Beginning balance, October 1 | $ | 103,398 |  |  | $ | 103,569 |
Foreign currency translation adjustment | (901 | ) |  | 760 |
Ending balance, June 30 | $ | 102,497 |  |  | $ | 104,329 |

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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=26713463&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=26713463&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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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 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=26713463&loc=d3e16323-109275 + Details
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