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Goodwill and Other Identifiable Intangible Assets, Net | 3 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS, NET | GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS, NET Amortizable identifiable intangible assets were (in thousands):
| December 31, 2017 |  | September 30, 2017
| Gross carrying amount |  | Accum. amort. |  | Net |  | Gross carrying amount |  | Accum. amort. |  | Net
Purchased and core technology | $ | 55,296 |  |  | $ | (46,841 | ) |  | $ | 8,455 |  |  | $ | 51,292 |  |  | $ | (46,304 | ) |  | $ | 4,988 |
License agreements | 18 |  |  | (17 | ) |  | 1 |  |  | 18 |  |  | (17 | ) |  | 1 |
Patents and trademarks | 14,553 |  |  | (11,505 | ) |  | 3,048 |  |  | 12,484 |  |  | (11,280 | ) |  | 1,204 |
Customer relationships | 40,230 |  |  | (17,745 | ) |  | 22,485 |  |  | 21,914 |  |  | (16,817 | ) |  | 5,097 |
Non-compete agreements | 600 |  |  | (120 | ) |  | 480 |  |  | 600 |  |  | (90 | ) |  | 510 |
Total | $ | 110,697 |  |  | $ | (76,228 | ) |  | $ | 34,469 |  |  | $ | 86,308 |  |  | $ | (74,508 | ) |  | $ | 11,800 |
Amortization expense was $1.7 million and $0.3 million for the three month periods ended December 31, 2017 and 2016, respectively. Amortization expense is recorded on our consolidated statements of operations within cost of sales and in general and administrative expense. Estimated amortization expense related to identifiable intangible assets for the remainder of fiscal 2018 and the five succeeding fiscal years is (in thousands):
2018 (nine months) | $ | 4,770 |
2019 | 6,167 |
2020 | 5,856 |
2021 | 5,311 |
2022 | 5,028 |
2023 | 3,622 |
8. GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS, NET (CONTINUED) The changes in the carrying amount of goodwill are (in thousands):
| Three months ended December 31,
| 2017 |  | 2016
Beginning balance, October 1 | $ | 131,995 |  |  | $ | 109,448 |
Acquisitions | 17,341 |  |  | 2,737 |
Foreign currency translation adjustment | (3 | ) |  | (1,069 | )
Ending balance, December 31 | $ | 149,333 |  |  | $ | 111,116 |
Goodwill is tested for impairment on an annual basis as of June 30, or more frequently if events or circumstances occur which could indicate impairment. The calculation of goodwill impairment requires us to make assumptions about the fair value of our reporting unit(s), which historically has been approximated by using our market capitalization plus a control premium for our reporting unit(s). Control premium assumptions require judgment and actual results may differ from assumed or estimated amounts. As of the third quarter of fiscal 2017, we determined that we have two reportable operating segments, our IoT Solutions segment and our IoT Products & Services segment (see Note 9 to the Condensed Consolidated Financial Statements). As a result, we concluded that the IoT Solutions segment and the IoT Products & Services segment constitute separate reporting units for purposes of the ASC 350-20-35 “Goodwill Measurement of Impairment” assessment and both units were tested individually for impairment. Our test for potential goodwill impairment is a two-step approach. First, we estimate the fair values for each reporting unit by comparing the fair value to the carrying value. If the carrying value of the reporting unit exceeds its estimated fair value, then we conduct the second step, which requires us to measure the amount of the impairment loss. The impairment loss, if any, is calculated by comparing the implied fair value of the goodwill to its carrying amount. To calculate the implied fair value of goodwill, the fair value of the reporting unit’s assets and liabilities, excluding goodwill, is estimated. The excess of the fair value of the reporting unit over the amount assigned to its assets and liabilities, excluding goodwill, is the implied fair value of the reporting unit’s goodwill. At June 30, 2017, we had a total of $98.6 million of goodwill on our Condensed Consolidated Balance Sheet for the IoT Products & Services reporting unit and the implied fair value of this reporting unit exceeded its carrying value by approximately 7%. At June 30, 2017, we had a total of $32.5 million of goodwill on our Condensed Consolidated Balance Sheet for the Solutions reporting unit and the implied fair value of this reporting unit exceeded its carrying value by approximately 8%. Based on that data, we concluded that no impairment was indicated for either reporting unit and we were not required to complete the second step of the goodwill impairment analysis. No goodwill impairment charges were recorded. During the first quarter of fiscal 2018, we assessed various qualitative factors to determine whether or not an additional goodwill impairment assessment was required as of December 31, 2017, and we concluded that no additional impairment assessment was required. Should the facts and circumstances surrounding our assumptions change, the first step of our goodwill impairment analysis may fail. Assumptions and estimates to determine fair values are complex and often subjective. They can be affected by a variety of factors, including external factors such as industry and economic trends, and internal factors such as changes in our business strategy and our internal forecasts. For example, if our future operating results do not meet current forecasts or if we experience a sustained decline in our market capitalization that is determined to be indicated of a reduction in fair value of one or more of our reporting units, we may be required to record future impairment charges for goodwill. An impairment could have a material effect on our consolidated balance sheet and results of operations. We have had no goodwill impairment losses since the adoption of Accounting Standards Codification (ASC) 350, Intangibles-Goodwill and Others, in fiscal 2003.

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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 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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