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Goodwill and other Identifiable Intangible Assets (Tables) | 12 Months Ended
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Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Amortizable Identifiable Intangible Assets | Amortizable identifiable intangible assets, net as of September 30, 2012 and 2011 are comprised of the following (in thousands):
| September 30, 2012 |  | September 30, 2011
| Gross carrying amount |  | Accum. amort. |  | Net |  | Gross carrying amount |  | Accum. amort. |  | Net
Purchased and core technology | $ | 46,597 |  |  | $ | (43,639 | ) |  | $ | 2,958 |  |  | $ | 46,412 |  |  | $ | (41,716 | ) |  | $ | 4,696 |
License agreements | 2,840 |  |  | (2,682 | ) |  | 158 |  |  | 2,840 |  |  | (2,610 | ) |  | 230 |
Patents and trademarks | 10,943 |  |  | (8,469 | ) |  | 2,474 |  |  | 10,341 |  |  | (7,505 | ) |  | 2,836 |
Customer maintenance contracts | 700 |  |  | (700 | ) |  | — |  |  | 700 |  |  | (674 | ) |  | 26 |
Customer relationships | 17,504 |  |  | (12,465 | ) |  | 5,039 |  |  | 17,437 |  |  | (10,865 | ) |  | 6,572 |
Non-compete agreements | 1,045 |  |  | (1,045 | ) |  | — |  |  | 1,036 |  |  | (1,036 | ) |  | — |
Total | $ | 79,629 |  |  | $ | (69,000 | ) |  | $ | 10,629 |  |  | $ | 78,766 |  |  | $ | (64,406 | ) |  | $ | 14,360 |
Schedule of Amortization Expense | Amortization expense for fiscal years 2012, 2011 and 2010 is as follows (in thousands):
Fiscal year | Total
2012 | $ | 4,476 |
2011 | $ | 6,171 |
2010 | $ | 7,484 |
Schedule of Estimated Amortization Expense Related to Identifiable Intangible Assets | Estimated amortization expense for the next five years is as follows (in thousands):
Fiscal year | Total
2013 | 3,728 |
2014 | 3,073 |
2015 | 2,186 |
2016 | 767 |
2017 | 220 |
Schedule of Changes in Carrying Amount of Goodwill | The changes in the carrying amount of goodwill were (in thousands):
| Fiscal years ended September 30,
| 2012 |  | 2011
Beginning balance, October 1 | $ | 86,012 |  |  | $ | 86,210 |
Foreign currency translation adjustment | 197 |  |  | (198 | )
Ending balance, September 30 | $ | 86,209 |  |  | $ | 86,012 |

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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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- 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 Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: 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=14024403&loc=d3e13854-109267 Reference 4: 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=14024403&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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