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Goodwill and Intangible Assets, Net | 12 Months Ended
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Sep. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets, Net | Note 9 — Goodwill and Intangible Assets, Net The following table presents details of the Company’s total goodwill:
As of October 1, 2013 |  | $ | 1,818,334 |
Goodwill resulting from acquisitions(1) |  |  | 100,935 |
Other |  |  | 5,956 |
As of September 30, 2014 |  |  | 1,925,225 |
Goodwill resulting from acquisitions(2) |  |  | 123,987 |
Other |  |  | (119 | )
As of September 30, 2015 |  | $ | 2,049,093 |
(1) | Mainly relates to the acquisition of Celcite. In allocating the total preliminary purchase price of Celcite based on estimated fair values, the Company recorded $78,142 of goodwill, $46,432 of customer relationships to be amortized over approximately four years, $22,372 of core technology to be amortized over approximately three years and $1,781 of other intangible assets to be amortized over approximately three years.
(2) | Mainly relates to the acquisition of a substantial majority of the BSS assets of Comverse. In allocating the total preliminary purchase price of the acquired assets based on estimated fair values, the Company recorded $118,101 of goodwill, $97,000 of core technology to be amortized over a weighted average of approximately four years and $38,639 of customer relationships to be amortized over a weighted average of approximately five years.
The Company performs an annual goodwill impairment test during the fourth quarter of each fiscal year, or more frequently if impairment indicators are present. The Company operates in one operating segment, and this segment comprises its only reporting unit. In calculating the fair value of the reporting unit, the Company uses its market capitalization and a discounted cash flow methodology. There was no impairment of goodwill in fiscal 2015, 2014 or 2013. The following table presents details regarding the Company’s total definite-lived purchased intangible assets:
|  | Estimated Useful Life (in years) |  |  | Gross |  |  | Accumulated Amortization |  |  | Net |
September 30, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Core technology |  |  | 2-8 |  |  | $ | 531,669 |  |  | $ | (398,898 | ) |  | $ | 132,771 |
Customer relationships |  |  | 3-15 |  |  |  | 439,435 |  |  |  | (328,747 | ) |  |  | 110,688 |
Intellectual property rights and purchased computer software |  |  | — |  |  |  | 51,996 |  |  |  | (51,996 | ) |  |  | — |
Other |  |  | 3-10 |  |  |  | 31,666 |  |  |  | (22,608 | ) |  |  | 9,058 |
Total |  |  |  |  |  | $ | 1,054,766 |  |  | $ | (802,249 | ) |  | $ | 252,517 |
September 30, 2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Core technology |  |  | 3-8 |  |  | $ | 434,669 |  |  | $ | (367,609 | ) |  | $ | 67,060 |
Customer relationships |  |  | 4-15 |  |  |  | 398,519 |  |  |  | (297,791 | ) |  |  | 100,728 |
Intellectual property rights and purchased computer software |  |  | — |  |  |  | 51,996 |  |  |  | (51,996 | ) |  |  | — |
Other |  |  | 1-10 |  |  |  | 31,666 |  |  |  | (18,227 | ) |  |  | 13,439 |
Total |  |  |  |  |  | $ | 916,850 |  |  | $ | (735,623 | ) |  | $ | 181,227 |
The following table presents the amortization expense of the Company’s definite-lived purchased intangible assets, included in each financial statement caption reported in the consolidated statements of income:
|  | Year Ended September 30, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Cost of revenue |  | $ | 1,609 |  |  | $ | 1,609 |  |  | $ | 1,609 |
Amortization of definite-lived purchased intangible assets |  |  | 65,017 |  |  |  | 55,799 |  |  |  | 34,543 |
Total |  | $ | 66,626 |  |  | $ | 57,408 |  |  | $ | 36,152 |
The estimated future amortization expense of definite-lived purchased intangible assets as of September 30, 2015 is as follows:
|  | Amount |
Fiscal year: |  |  |  |
2016 |  | $ | 90,488 |
2017 |  |  | 76,742 |
2018 |  |  | 46,958 |
2019 |  |  | 22,863 |
2020 |  |  | 10,707 |
Thereafter |  |  | 4,759 |
Total |  | $ | 252,517 |

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- Definition The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 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=35741047&loc=d3e13816-109267 Reference 5: 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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