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Goodwill and Intangible Assets | 6 Months Ended
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Jan. 23, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets Goodwill The Company's goodwill balance was $281.4 million and $271.7 million as of January 23, 2016 and July 25, 2015, respectively. The increase in goodwill during fiscal 2016 was primarily from the acquisition of TelCom. Changes in the carrying amount of goodwill for fiscal 2016 were as follows:
| Goodwill |  | Accumulated Impairment Losses |  | Total
| (Dollars in thousands)
Balance as of July 25, 2015 | $ | 467,420 |  |  | $ | (195,767 | ) |  | $ | 271,653 |
Purchase price allocation adjustments | 101 |  |  | — |  |  | 101 |
Goodwill from fiscal 2016 acquisitions | 9,694 |  |  | — |  |  | 9,694 |
Balance as of January 23, 2016 | $ | 477,215 |  |  | $ | (195,767 | ) |  | $ | 281,448 |
The full amount of goodwill from fiscal 2016 acquisitions is expected to be deductible for tax purposes. Goodwill largely consists of expected synergies resulting from the acquisitions, including the expansion of the Company's geographic scope and strengthening of its customer base. The Company's goodwill resides in multiple reporting units. Goodwill and other indefinite-lived intangible assets are assessed annually for impairment as of the first day of the fourth fiscal quarter of each year, or more frequently if events occur that would indicate a potential reduction in the fair value of a reporting unit below its carrying value. The profitability of individual reporting units may suffer periodically due to downturns in customer demand and the level of overall economic activity, including in particular construction and housing activity. The Company's customers may reduce capital expenditures and defer or cancel pending projects during times of slowing economic conditions. Additionally, adverse conditions in the economy and future volatility in the equity and credit markets could impact the valuation of the Company's reporting units. The cyclical nature of the Company's business, the high level of competition existing within its industry, and the concentration of its revenues from a limited number of customers may also cause results to vary. These factors may affect individual reporting units disproportionately, relative to the Company as a whole. As a result, the performance of one or more of the reporting units could decline, resulting in an impairment of goodwill or intangible assets. As a result of the fiscal 2015 annual impairment analysis, the Company concluded that no impairment of goodwill or the indefinite-lived intangible asset was indicated at any reporting unit. As of January 23, 2016, the Company believes goodwill is recoverable for all of the reporting units; however, there can be no assurances that goodwill will not be impaired in future periods. Intangible Assets The Company's intangible assets consisted of the following:
| Weighted Average Remaining Useful Lives |  | January 23, 2016 |  | July 25, 2015
| (Years) |  | (Dollars in thousands)
Gross carrying amount: |  |  |  |  |
Customer relationships | 11.6 |  | $ | 211,575 |  |  | $ | 195,375 |
Contract backlog | 0.9 |  | 4,780 |  |  | 8,076 |
Trade names | 7.0 |  | 9,800 |  |  | 8,200 |
UtiliQuest trade name | — |  | 4,700 |  |  | 4,700 |
Non-compete agreements | 2.9 |  | 685 |  |  | 635 |
|  |  | 231,540 |  |  | 216,986 |
Accumulated amortization: |  |  |  |  |  |  |
Customer relationships |  |  | 92,079 |  |  | 83,772 |
Contract backlog |  |  | 4,472 |  |  | 7,381 |
Trade names |  |  | 5,337 |  |  | 4,650 |
Non-compete agreements |  |  | 221 |  |  | 257 |
|  |  | 102,109 |  |  | 96,060 |
Net Intangible Assets |  |  | $ | 129,431 |  |  | $ | 120,926 |
During the six months ended January 23, 2016, the gross carrying amount of intangible assets for customer relationships, trade names, and non-compete agreements increased $16.2 million, $1.6 million, and $0.2 million, respectively, as a result of the preliminary allocation of the purchase price of TelCom. During the second quarter of fiscal 2016, certain contract backlog intangible assets and non-compete agreements intangible assets became fully amortized. As a result, the gross carrying amount and the associated accumulated amortization decreased $3.4 million. This decrease had no effect on the net carrying value of intangible assets as of January 23, 2016. Amortization of the Company's customer relationship intangibles and contract backlog intangibles is recognized on an accelerated basis as a function of the expected economic benefit. Amortization for the Company's other finite-lived intangibles is recognized on a straight-line basis over the estimated useful life. Amortization expense for finite-lived intangible assets was $4.7 million and $4.1 million for the three months ended January 23, 2016 and January 24, 2015, respectively, and $9.5 million and $8.2 million for the six months ended January 23, 2016 and January 24, 2015, respectively. Estimated total amortization expense for existing finite-lived intangible assets for the remainder of fiscal 2016 and each of the five succeeding fiscal years and thereafter is as follows:
Period |  | Amount
|  | (Dollars in thousands)
Six months ending July 30, 2016 |  | $ | 9,422 |
2017 |  | 17,419 |
2018 |  | 15,125 |
2019 |  | 12,771 |
2020 |  | 11,861 |
2021 |  | 10,333 |
Thereafter |  | 47,800 |
Total |  | $ | 124,731 |
As of January 23, 2016, the Company believes that the carrying amounts of its intangible assets are recoverable. However, if adverse events were to occur or circumstances were to change indicating that the carrying amount of such assets may not be fully recoverable, the assets would be reviewed for impairment and the assets could be impaired.

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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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