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Acquisitions (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended
--- | --- | ---
Jul. 30, 2016 | Oct. 29, 2016 | Oct. 24, 2015
Business Acquisition [Line Items] |  |  |
Amortization of intangible assets |  | $ 6,200 | $ 4,800
Purchase price allocation adjustments |  | (1,488) |
TelCom Construction, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Payment to acquire business, net of cash acquired |  |  | 48,800
Goodman Networks, Inc. Wireline Operations |  |  |
Business Acquisition [Line Items] |  |  |
Escrow Deposit |  | 22,500 |
Payment to acquire business, net of cash acquired | $ 107,500 |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred | 4,700 |  |
NextGen Telecom Services Group, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Payment to acquire business, net of cash acquired | $ 5,600 |  |
Businesses Acquired, Fiscal 2016 |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  | 56,600 | 29,900
Amortization of intangible assets |  | 2,100 | $ 300
Working Capital Adjustment [Member] | Goodman Networks, Inc. Wireline Operations |  |  |
Business Acquisition [Line Items] |  |  |
Escrow Deposit |  | 2,500 |
Indemnification Agreement [Member] | Goodman Networks, Inc. Wireline Operations |  |  |
Business Acquisition [Line Items] |  |  |
Escrow Deposit |  | 20,000 |
Indemnification Portion Subject to Certain Conditions, Not Less Than Twelve Months | Goodman Networks, Inc. Wireline Operations |  |  |
Business Acquisition [Line Items] |  |  |
Escrow Deposit |  | 10,000 |
Indemnification Portion Subject to Seller Satisfaction of Certain Liabilities | Goodman Networks, Inc. Wireline Operations |  |  |
Business Acquisition [Line Items] |  |  |
Escrow Deposit |  | 10,000 |
Seller Liability, Satisfaction Required for Contingent Consideration |  | $ 31,700 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to items of consideration transferred in connection with a business combination for which the initial accounting was incomplete. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 4A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=SL65897772-128472 + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e961-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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