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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Apr. 27, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Future Amortization Expense |
Period |  | Amount
|  | (Dollars in thousands)
Three months ending July 27, 2013 |  | $7,056
Fiscal 2014 |  | $18,110
Fiscal 2015 |  | $15,241
Fiscal 2016 |  | $14,427
Fiscal 2017 |  | $13,088
Fiscal 2018 |  | $10,766
Thereafter |  | $43,864
Schedule of Goodwill | The Company's goodwill balance was $260.7 million and $174.8 million as of April 27, 2013 and July 28, 2012, respectively. Changes in the carrying amount of goodwill for fiscal 2013 are as follows:
|  |  |  | Nine Months Ended April 27, 2013 |  |
|  | As of |  | Impairment |  |  |  | As of
|  | July 28, 2012 |  | Losses |  | Acquisitions |  | April 27, 2013
|  | (Dollars in thousands)
Goodwill |  | $ | 370,616 |  |  | $ | — |  |  | $ | 85,859 |  |  | $ | 456,475 |
Accumulated impairment losses |  | (195,767 | ) |  | — |  |  | — |  |  | (195,767 | )
|  | $ | 174,849 |  |  | $ | — |  |  | $ | 85,859 |  |  | $ | 260,708 |
Schedule of Intangible Assets | The Company's intangible assets consist of the following:
| Weighted Average Remaining Useful Lives |  | April 27, 2013 |  | July 28, 2012
| (Years) |  | (Dollars in thousands)
Carrying amount: |  |  |  |  |
Customer relationships | 12.5 |  | $ | 160,645 |  |  | $ | 89,145 |
Contract backlog | 2.5 |  | 14,410 |  |  | — |
Trade names | 5.3 |  | 8,025 |  |  | 2,860 |
UtiliQuest trade name | — |  | 4,700 |  |  | 4,700 |
Non-compete agreements | 2.7 |  | 150 |  |  | 150 |
|  |  | 187,930 |  |  | 96,855 |
Accumulated amortization: |  |  |  |  |  |  |
Customer relationships |  |  | 53,335 |  |  | 45,852 |
Contract backlog |  |  | 5,497 |  |  | — |
Trade names |  |  | 1,774 |  |  | 1,182 |
Non-compete agreements |  |  | 72 |  |  | 48 |
Net Intangible Assets |  |  | $ | 127,252 |  |  | $ | 49,773 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References No definition available. + Details
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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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