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Goodwill and Purchased Intangible Assets | 6 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
GOODWILL AND PURCHASED INTANGIBLE ASSETS | NOTE 6 – GOODWILL AND PURCHASED INTANGIBLE ASSETS Goodwill Goodwill represents the excess of the purchase price over the fair value of the net tangible and identifiable intangible assets acquired in prior business combinations. The Company has four reporting units: Wafer Inspection, Patterning, Global Service and Support, and Others. The following table presents goodwill balances and the movements by reporting unit during the six months ended December 31, 2017:
(In thousands) |  | Wafer Inspection |  | Patterning |  | GSS |  | Others |  | Total
Balance as of June 30, 2017 |  | $ | 281,095 |  |  | $ | 53,255 |  |  | $ | 2,856 |  |  | $ | 12,320 |  |  | $ | 349,526 |
Foreign currency and other adjustments |  | 13 |  |  | — |  |  | 97 |  |  | 387 |  |  | 497 |
Balance as of December 31, 2017 |  | $ | 281,108 |  |  | $ | 53,255 |  |  | $ | 2,953 |  |  | $ | 12,707 |  |  | $ | 350,023 |
Goodwill is net of accumulated impairment losses of $277.6 million, which were recorded prior to the fiscal year ended June 30, 2014. The Company performed a qualitative assessment of the goodwill by reporting unit as of November 30, 2017 during the three months ended December 31, 2017 as part of its annual goodwill impairment assessment and concluded that it was more likely than not that the fair value of each of the reporting units exceeded its carrying amount. As a result of the Company’s determination following its qualitative assessment, it was not necessary to perform the quantitative goodwill impairment test at this time. In assessing the qualitative factors, the Company considered the impact of key factors, including changes in the industry and competitive environment, market capitalization, stock price, earnings multiples, budgeted-to-actual revenue performance from prior year, gross margin and cash flows from operating activities. Based on the Company’s assessment, goodwill in the reporting units was not impaired as of December 31, 2017 or June 30, 2017. Purchased Intangible Assets The components of purchased intangible assets as of the dates indicated below were as follows:
(In thousands) |  |  | As of December 31, 2017 |  | As of June 30, 2017
Category | Range of Useful Lives |  | Gross Carrying Amount |  | Accumulated Amortization and Impairment |  | Net Amount |  | Gross Carrying Amount |  | Accumulated Amortization and Impairment |  | Net Amount
Existing technology | 4-7 years |  | $ | 157,259 |  |  | $ | 142,459 |  |  | $ | 14,800 |  |  | $ | 157,259 |  |  | $ | 140,346 |  |  | $ | 16,913 |
Trade name/Trademark | 7 years |  | 20,993 |  |  | 19,981 |  |  | 1,012 |  |  | 20,993 |  |  | 19,902 |  |  | 1,091 |
Customer relationships | 7-8 years |  | 55,680 |  |  | 55,036 |  |  | 644 |  |  | 55,680 |  |  | 54,959 |  |  | 721 |
Backlog | <1 year |  | 260 |  |  | 153 |  |  | 107 |  |  | 260 |  |  | 22 |  |  | 238 |
Total |  |  | $ | 234,192 |  |  | $ | 217,629 |  |  | $ | 16,563 |  |  | $ | 234,192 |  |  | $ | 215,229 |  |  | $ | 18,963 |
Intangible assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset or asset group may not be recoverable. For the three months ended December 31, 2017 and 2016, amortization expense for purchased intangible assets was $1.2 million and $0.5 million, respectively. For the six months ended December 31, 2017 and 2016, amortization expense for purchased intangible assets was $2.4 million and $1.8 million, respectively. Based on the intangible assets recorded as of December 31, 2017, and assuming no subsequent additions to, or impairment of, the underlying assets, the remaining estimated amortization expense is expected to be as follows:
Fiscal year ending June 30: | Amortization (In thousands)
2018 (remaining 6 months) | $ | 1,851 |
2019 | 2,486 |
2020 | 2,486 |
2021 | 2,486 |
2022 | 2,486 |
Thereafter | 4,768 |
Total | $ | 16,563 |

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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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