Dycom Industries (DY) 10-Q 26 Nov 14 2015 Q1 Quarterly report Financial data

Document_and_Entity_Informatio

Document and Entity Information	3 Months Ended
	Oct. 25, 2014	Nov. 24, 2014
Document and Entity Information [Abstract]	'	'
Entity Registrant Name	'DYCOM INDUSTRIES INC	'
Entity Central Index Key	'0000067215	'
Current Fiscal Year End Date	'--07-25	'
Entity Well-known Seasoned Issuer	'No	'
Entity Voluntary Filers	'No	'
Entity Current Reporting Status	'Yes	'
Entity Filer Category	'Large Accelerated Filer	'
Entity Common Stock, Shares Outstanding	'	34,058,785
Document Fiscal Year Focus	'2015	'
Document Fiscal Period Focus	'Q1	'
Document Type	'10-Q	'
Amendment Flag	'false	'
Document Period End Date	25-Oct-14	'

CONSOLIDATED_BALANCE_SHEETS

CONSOLIDATED BALANCE SHEETS (USD $)	Oct. 25, 2014	Jul. 26, 2014
In Thousands, unless otherwise specified
CURRENT ASSETS:	'	'
Cash and equivalents	$16,459	$20,672
Accounts receivable, net	296,832	272,741
Costs and estimated earnings in excess of billings	256,951	230,569
Inventories	47,003	49,095
Deferred tax assets, net	21,022	19,932
Other current assets	14,467	12,727
Total current assets	652,734	605,736
PROPERTY AND EQUIPMENT, NET	206,139	205,413
GOODWILL	269,465	269,088
INTANGIBLE ASSETS, NET	117,824	116,116
OTHER	15,995	16,001
TOTAL NON-CURRENT ASSETS	609,423	606,618
TOTAL ASSETS	1,262,157	1,212,354
CURRENT LIABILITIES:	'	'
Accounts payable	66,422	63,318
Current portion of debt	11,719	10,938
Billings in excess of costs and estimated earnings	14,027	13,882
Accrued insurance claims	33,525	32,260
Other accrued liabilities	86,905	76,134
Total current liabilities	212,598	196,532
LONG-TERM DEBT (including debt premium of $3.1 million and $3.2 million at October 25, 2014 and July 26, 2014, respectively)	455,640	446,863
ACCRUED INSURANCE CLAIMS	36,189	33,782
DEFERRED TAX LIABILITIES, NET NON-CURRENT	43,018	45,361
OTHER LIABILITIES	5,211	4,882
Total liabilities	752,656	727,420
COMMITMENTS AND CONTINGENCIES, Note 16	'	'
STOCKHOLDERS' EQUITY:	'	'
Preferred stock, par value $1.00 per share: 1,000,000 shares authorized: no shares issued and outstanding	0	0
Common stock, par value $0.33 1/3 per share: 150,000,000 shares authorized: 34,057,679 and 33,990,589 issued and outstanding, respectively	11,353	11,330
Additional paid-in capital	135,824	131,819
Accumulated other comprehensive income	-426	-158
Retained earnings	362,750	341,943
Total stockholders' equity	509,501	484,934
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$1,262,157	$1,212,354

CONSOLIDATED_BALANCE_SHEETS_Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Oct. 25, 2014	Jul. 26, 2014
In Millions, except Share data, unless otherwise specified
LIABILITIES:	'	'
Debt premium	$3.10	$3.20
STOCKHOLDERS' EQUITY:	'	'
Preferred stock, par value (in dollars per share)	$1	$1
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$0.33	$0.33
Common stock, authorized (in shares)	150,000,000	150,000,000
Common stock, issued (in shares)	34,057,679	33,990,589
Common stock, outstanding (in shares)	34,057,679	33,990,589

CONSOLIDATED_STATEMENTS_OF_OPE

CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended
In Thousands, except Share data, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
REVENUES:	'	'
Contract revenues	$510,389	$512,720
EXPENSES:	'	'
Costs of earned revenues, excluding depreciation and amortization	403,468	410,119
General and administrative (including stock-based compensation expense of $3.9 million and $3.5 million, respectively)	44,696	43,075
Depreciation and amortization	22,930	23,552
Total	471,094	476,746
Interest expense, net	-6,749	-6,886
Other income, net	1,795	2,012
INCOME BEFORE INCOME TAXES	34,341	31,100
PROVISION (BENEFIT) FOR INCOME TAXES:	'	'
Current	16,999	12,327
Deferred	-3,465	113
Total	13,534	12,440
NET INCOME	$20,807	$18,660
EARNINGS PER COMMON SHARE:	'	'
Basic earnings per common share (usd per share)	$0.61	$0.56
Diluted earnings per common share (usd per share)	$0.59	$0.54
SHARES USED IN COMPUTING EARNINGS PER COMMON SHARE:	'	'
Basic (in shares)	34,010,147	33,423,678
Diluted (in shares)	35,117,673	34,638,998

CONSOLIDATED_STATEMENTS_OF_OPE1

CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
EXPENSES:	'	'
General and administrative, stock based compensation expense	$3,890	$3,506

CONSOLIDATED_STATEMENTS_OF_COM

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
Statement of Comprehensive Income [Abstract]	'	'
NET INCOME	$20,807	$18,660
Foreign currency translation losses	-268	-60
COMPREHENSIVE INCOME	$20,539	$18,600

CONSOLIDATED_STATEMENTS_OF_CAS

CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
OPERATING ACTIVITIES:	'	'
Net income	$20,807	$18,660
Adjustments to reconcile net income to net cash provided by operating activities:	'	'
Depreciation and amortization	22,930	23,552
Bad debt expense, net	83	186
Gain on sale of fixed assets	-1,523	-1,865
Deferred income tax provision (benefit)	-3,465	113
Stock-based compensation	3,890	3,506
Amortization of premium on long-term debt	-97	-91
Amortization of debt issuance costs and other	494	465
Excess tax benefit from share-based awards	-210	-656
Change in operating assets and liabilities:	'	'
Accounts receivable, net	-22,016	-52,397
Costs and estimated earnings in excess of billings, net	-26,237	-17,202
Other current assets and inventory	-1,608	-8,740
Other assets	-159	-430
Income taxes receivable/payable	10,233	8,101
Accounts payable	1,151	871
Accrued liabilities, insurance claims, and other liabilities	6,632	7,234
Net cash provided by operating activities	10,905	-18,693
INVESTING ACTIVITIES:	'	'
Cash paid for acquisition, net of cash acquired	-8,371	0
Capital expenditures	-18,028	-30,288
Proceeds from sale of assets	1,698	2,465
Changes in restricted cash	-541	-305
Net cash used in investing activities	-25,242	-28,128
FINANCING ACTIVITIES:	'	'
Proceeds from borrowings on Senior Credit Agreement	132,000	164,000
Principal payments on Senior Credit Agreement	-122,344	-131,563
Exercise of stock options and other	567	10,124
Restricted stock tax withholdings	-309	-609
Excess tax benefit from share-based awards	210	656
Net cash provided by financing activities	10,124	42,608
Net (decrease) increase in cash and equivalents	-4,213	-4,213
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	20,672	18,607
CASH AND EQUIVALENTS AT END OF PERIOD	16,459	14,394
Cash paid during the period for:	'	'
Interest	1,369	1,517
Income taxes	6,796	4,311
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	$3,924	$3,384

Basis_of_Presentation_and_Acco

Basis of Presentation and Accounting Policies	3 Months Ended
	Oct. 25, 2014
Accounting Policies [Abstract]	'
Basis of Presentation and Accounting Policies	'
	Basis of Presentation and Accounting Policies
	Basis of Presentation
	Dycom Industries, Inc. ("Dycom" or the "Company") is a leading provider of specialty contracting services throughout the United States and in Canada. The Company's services include engineering, construction, maintenance and installation services to telecommunications providers, underground facility locating services to various utilities, including telecommunications providers, and other construction and maintenance services to electric and gas utilities.
	The accompanying unaudited condensed consolidated financial statements include the results of Dycom and its subsidiaries, all of which are wholly-owned. All intercompany accounts and transactions have been eliminated and the financial statements reflect all adjustments, consisting of only normal recurring accruals that are, in the opinion of management, necessary for a fair presentation of such statements. These financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the Securities and Exchange Commission ("SEC"). Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements. Operating results for the interim period are not necessarily indicative of the results expected for any other interim period or for the full fiscal year. These condensed consolidated financial statements and accompanying notes should be read in conjunction with Management's Discussion and Analysis of Financial Condition and Results of Operations contained in this report and the Company's audited financial statements for the year ended July 26, 2014 included in the Company's Annual Report on Form 10-K for the year ended July 26, 2014, filed with the SEC on September 9, 2014.
	Segment Information – The Company operates in one reportable segment as a specialty contractor, providing engineering, construction, maintenance and installation services to telecommunications providers, underground facility locating services to various utilities, including telecommunications providers, and other construction and maintenance services to electric and gas utilities. The Company operates through its operating segments, each of which consists of a legal subsidiary (or in limited cases, the combination of two or more subsidiaries). Management of the operating segments report to the Company's Chief Operating Officer who reports to the Chief Executive Officer, the chief operating decision maker. All of the Company's operating segments have been aggregated into one reportable segment due to their similar economic characteristics, nature of services and production processes, type of customers, and service distribution methods. The Company's services are provided by its operating segments throughout the United States and in Canada. Revenues from services provided in Canada were approximately $4.7 million and $3.3 million during the three months ended October 25, 2014 and October 26, 2013 respectively. The Company had no material long-lived assets in Canada at October 25, 2014 or July 26, 2014.
	Accounting Period – The Company uses a fiscal year ending on the last Saturday in July.
	Significant Accounting Policies & Estimates
	Significant Accounting Policies & Estimates – The preparation of financial statements in conformity with GAAP requires
	management to make estimates and assumptions that affect the amounts reported in these condensed consolidated financial
	statements and accompanying notes. At the time they are made, the Company believes that such estimates are fair when
	considered in conjunction with the consolidated financial position and results of operations taken as a whole. However, actual
	results could differ materially from those estimates. There have been no material changes to the Company's significant
	accounting policies and critical accounting estimates described in the Company's Annual Report on Form 10-K for the year
	ended July 26, 2014.
	Restricted Cash – As of October 25, 2014 and July 26, 2014, the Company had approximately $4.5 million and $4.0 million, respectively, in restricted cash which is held as collateral in support of the Company's insurance obligations. Restricted cash is included in other current assets and other assets in the condensed consolidated balance sheets and changes in restricted cash are reported in cash flows used in investing activities in the condensed consolidated statements of cash flows.
	Fair Value of Financial Instruments – The Company's financial instruments consist primarily of cash and equivalents, restricted cash, accounts receivables, income taxes receivable and payable, accounts payable and certain accrued expenses, and long-term debt. The carrying amounts of these items approximate fair value due to their short maturity, except for the Company's outstanding 7.125% senior subordinated notes due 2021 (the "2021 Notes") which are based on observable market-based inputs (Level 2) as of October 25, 2014 and July 26, 2014. See Note 10, Debt, for further information regarding the fair value of the 2021 Notes. The Company's cash and equivalents are based on quoted market prices in active markets for identical assets (Level 1) as of October 25, 2014 and July 26, 2014. During the three months ended October 25, 2014 and October 26, 2013, the Company had no material non-recurring fair value measurements of assets or liabilities subsequent to their initial recognition.
	Recently Issued Accounting Pronouncements
	Accounting Standards Not Yet Adopted
	In April 2014, the FASB issued Accounting Standards Update No. 2014-08, Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360): Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity ("ASU 2014-08"). ASU 2014-08 changes the criteria for reporting discontinued operations. In accordance with ASU 2014-08, a disposal of a component of an entity or a group of components of an entity is required to be reported in discontinued operations only if the disposal represents a strategic shift that has (or will have) a major effect on an entity’s operations and financial results. ASU 2014-08 also requires expanded disclosures about the assets, liabilities, income, and expenses of discontinued operations as well as disclosure of the pre-tax income rising from a disposal of a significant part of an organization that does not qualify for discontinued operations reporting. ASU 2014-08 will be effective for the Company beginning in fiscal 2016 and interim reporting periods within that year. Early adoption is permitted only for disposals that have not been reported in financial statement previously issued or available for issuance. The adoption of this guidance is not expected to have a material effect on the Company's consolidated financial statements.
	In May 2014, the FASB issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers (Topic 606), ("ASU 2014-09"). ASU 2014-09 requires entities to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 requires entities to disclose both qualitative and quantitative information that enables users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers, including disclosure of significant judgments affecting the recognition of revenue. ASU 2014-09 will be effective for the Company beginning in fiscal 2018 and interim reporting periods within that year, using either the retrospective or cumulative effect transition method. Early adoption is not permitted. The Company is currently evaluating the effect of the adoption of this guidance on the consolidated financial statements.
	In August 2014, the FASB issued Accounting Standards Update No. 2014-15, Presentation of Financial Statements—Going Concern (Subtopic 205-40): Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern ("ASU 2014-15"). ASU 2014-15 requires management to evaluate whether there are conditions or events, considered in the aggregate, that raise substantial doubt about the entity’s ability to continue as a going concern for a period of one year after the date that the financial statements are issued. If such conditions or events exist, an entity should disclose that there is substantial doubt about the entity’s ability to continue as a going concern for a period of one year after the date that the financial statements are issued. Disclosure should include the principal conditions or events that raise substantial doubt, management’s evaluation of the significance of those conditions or events in relation to the entity’s ability to meet its obligations, and management’s plans that are intended to mitigate those conditions or events. ASU 2014-15 will be effective for the Company beginning in fiscal 2017 and interim reporting periods within that year. Early adoption is permitted. The adoption of this guidance is not expected to have a material effect on the Company's consolidated financial statements.

Computation_of_Earnings_Per_Co

Computation of Earnings Per Common Share	3 Months Ended
	Oct. 25, 2014
Earnings Per Share [Abstract]	'
Computation of Earnings Per Common Share	'
	Computation of Earnings Per Common Share
	The following table sets forth the computation of basic and diluted earnings per common share:
		For the Three Months Ended
		October 25, 2014		October 26, 2013
		(Dollars in thousands, except per share amounts)
	Net income available to common stockholders (numerator)	$	20,807	$	18,660
	Weighted-average number of common shares (denominator)	34,010,147		33,423,678
	Basic earnings per common share	$	0.61	$	0.56
	Weighted-average number of common shares	34,010,147		33,423,678
	Potential common stock arising from stock options, and unvested restricted share units	1,107,526		1,215,320
	Total shares-diluted (denominator)	35,117,673		34,638,998
	Diluted earnings per common share	$	0.59	$	0.54
	Anti-dilutive weighted shares excluded from the calculation of earnings per share	570,749		547,154

Acquisitions

Acquisitions	3 Months Ended
	Oct. 25, 2014
Business Combinations [Abstract]	'
Acquisitions	'
	Acquisitions
	Fiscal 2015 - During the first quarter of fiscal 2015, the Company acquired Hewitt Power & Communications, Inc. ("Hewitt") for $8.0 million, net of cash acquired. Hewitt provides specialty contracting services primarily for telecommunications providers in the Southeastern United States. The preliminary purchase price allocation includes $5.8 million to a customer relationship intangible and the remaining to property and equipment and working capital items.
	Fiscal 2014 - During the third quarter of fiscal 2014, the Company acquired a telecommunications specialty construction contractor in Canada for $0.7 million. The Company also acquired Watts Brothers Cable Construction, Inc. ("Watts Brothers") for $16.4 million during the fourth quarter of fiscal 2014. Watts Brothers provides specialty contracting services primarily for telecommunications providers in the Midwest and Southeastern United States. During the three months ended October 25, 2014, the Company paid $0.3 million in working capital adjustments. The preliminary purchase price allocation includes $1.6 million to goodwill, $8.5 million to a customer relationship intangible, $3.7 million to property and equipment and the remaining to working capital items.
	Purchase price allocations of businesses acquired during fiscal 2014 and fiscal 2015 are preliminary and will be completed during fiscal 2015 when the valuations are finalized for intangible assets and other amounts.

Accounts_Receivable

Accounts Receivable	3 Months Ended
	Oct. 25, 2014
Receivables [Abstract]	'
Accounts Receivable	'
	Accounts Receivable
	Accounts receivable consists of the following:
		October 25,			July 26,
		2014			2014
		(Dollars in thousands)
	Contract billings	$	279,204		$	258,254
	Retainage and other receivables	18,458			15,323
	Total	297,662			273,577
	Less: allowance for doubtful accounts	(830		)	(836		)
	Accounts receivable, net	$	296,832		$	272,741
	The Company grants credit under normal payment terms, generally without collateral, to its customers. The Company expects to collect the outstanding balance of accounts receivable, net, including retainage and amounts on which we have filed construction liens, within the next twelve months. Except as described below, there were no material accounts receivable amounts representing claims or other similar items subject to uncertainty as of October 25, 2014 or July 26, 2014.
	With respect to certain accounts receivable balances, the Company has statutory lien rights that may assist in its collection efforts. As of October 25, 2014, the Company's accounts receivable include approximately $20.1 million for past due balances from a customer on a rural project funded primarily by the Rural Utilities Service agency of the United States Department of Agriculture (the “RUS”) under the American Recovery and Reinvestment Act of 2009. The loan made by the RUS is secured by certain assets of the customer. The Company has stopped work on the project. The Company has filed construction liens with respect to work on the project representing approximately $17.7 million of the accounts receivable balance. In addition, other creditors have also filed construction liens against the customer. In July 2014, the Company was included in an action taken by another creditor that has filed a construction lien on one parcel of property owned by the customer to foreclose the lien on that parcel. In the event the customer does not pay the balances owed, the amount the Company collects through the enforcement of its liens or other actions will depend on the value realized on the assets underlying the liens as well as the amount owed to, and priority of, other creditors.
	The Company maintains an allowance for doubtful accounts for estimated losses resulting from the failure of its customers to make required payments. During the three months ended October 25, 2014 and October 26, 2013, write-offs to the allowance for doubtful accounts, net of recoveries, were not material.

Costs_and_Estimated_Earnings_i

Costs and Estimated Earnings in Excess of Billings	3 Months Ended
	Oct. 25, 2014
Contractors [Abstract]	'
Costs and Estimated Earnings in Excess of Billings	'
	Costs and Estimated Earnings in Excess of Billings
	Costs and estimated earnings in excess of billings ("CIEB") includes revenue for services from contracts based both on the units-of-delivery and the cost-to-cost measures of the percentage of completion method. Contracts in progress are as follows:
		October 25,			July 26,
		2014			2014
		(Dollars in thousands)
	Costs incurred on contracts in progress	$	232,709		$	234,766
	Estimated to date earnings	61,859			57,335
	Total costs and estimated earnings	294,568			292,101
	Less: billings to date	(51,644		)	(75,414		)
		$	242,924		$	216,687
	Included in the accompanying condensed consolidated balance sheets under the captions:
	Costs and estimated earnings in excess of billings	$	256,951		$	230,569
	Billings in excess of costs and estimated earnings	(14,027		)	(13,882		)
		$	242,924		$	216,687
	As of October 25, 2014, the Company expects that substantially all of its CIEB will be billed to customers and collected in the normal course of business within the next twelve months. Additionally, there were no material CIEB amounts representing claims or other similar items subject to uncertainty as of October 25, 2014 or July 26, 2014.

Property_and_Equipment

Property and Equipment	3 Months Ended
	Oct. 25, 2014
Property, Plant and Equipment [Abstract]	'
Property and Equipment	'
	Property and Equipment
	Property and equipment consists of the following:
		Estimated Useful Lives		October 25,				July 26,
				2014				2014
		(Years)		(Dollars in thousands)
	Land	—		$	3,408			$	3,408
	Buildings	Oct-35		11,598				11,589
	Leasehold improvements	10-Jan		5,602				5,335
	Vehicles	5-Jan		286,831				279,631
	Computer hardware and software	10-Mar		77,004				73,349
	Office furniture and equipment	7-Feb		7,873				7,790
	Equipment and machinery	10-Jan		180,723				177,608
	Total			573,039				558,710
	Less: accumulated depreciation			(366,900		)		(353,297		)
	Property and equipment, net			$	206,139			$	205,413
	Depreciation expense and repairs and maintenance are as follows:
		For the Three Months Ended
		October 25, 2014				October 26, 2013
		(Dollars in thousands)
	Depreciation expense	$	18,841			$	18,401
	Repairs and maintenance expense	$	5,484			$	5,994

Goodwill_and_Intangible_Assets

Goodwill and Intangible Assets	3 Months Ended
	Oct. 25, 2014
Goodwill and Intangible Assets Disclosure [Abstract]	'
Goodwill and Intangible Assets	'
	Goodwill and Intangible Assets
	Goodwill
	The Company's goodwill balance was $269.5 million and $269.1 million as of October 25, 2014 and July 26, 2014, respectively. The increase in goodwill during fiscal 2015 is a result of preliminary purchase price allocation adjustments associated with businesses acquired during the fourth quarter of fiscal 2014, including the final working capital adjustment. Changes in the carrying amount of goodwill for fiscal 2015 are as follows:
		Goodwill		Accumulated Impairment Losses			Total
		(Dollars in thousands)
	Balance as of July 26, 2014	$	464,855	$	(195,767	)	$	269,088
	Purchase price allocation adjustments	377		—			377
	Balance as of October 25, 2014	$	465,232	$	(195,767	)	$	269,465
	The full amount of goodwill related to businesses acquired during fiscal 2014 is expected to be deductible for tax purposes. The Company's 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 Company's goodwill resides in multiple reporting units. The profitability of individual reporting units may suffer periodically from downturns in customer demand and other factors resulting from the cyclical nature of the Company's business, the high level of competition existing within the Company's industry, the concentration of the Company's revenues from a limited number of customers, and the level of overall economic activity, including in particular construction and housing activity. During times of slowing economic conditions, the Company's customers may reduce capital expenditures and defer or cancel pending projects. Individual reporting units may be more impacted by these factors than the Company as a whole. As a result, demand for the services of one or more of the Company's reporting units could decline, resulting in an impairment of goodwill or intangible assets.
	As a result of the fiscal 2014 annual impairment analysis, the Company concluded that no impairment of goodwill or the indefinite-lived intangible asset was indicated at any reporting unit. During fiscal 2014, the Company performed qualitative assessments on reporting units that comprise less than 20% of its consolidated goodwill balance. The qualitative assessments indicated that it was more likely than not that the fair value exceeded carrying value for those reporting units. For the remaining reporting units, the Company performed the first step of the quantitative analysis described in ASC Topic 350, Intangibles-Goodwill and Other. The key valuation assumptions contributing to the fair value estimates of the Company's reporting units were (a) a discount rate of 11.5% based on the Company's best estimate of the weighted average cost of capital adjusted for risks associated with the reporting units; (b) terminal value based on terminal growth rates ranging from 1.5% to 3.0%; and (c) seven expected years of cash flow before the terminal value for each annual test.
	In the fiscal 2014 impairment analysis, the fair value for three of the reporting units acquired in fiscal 2013 exceeded their carrying value by less than 25% each. The goodwill balances for these reporting units were $10.6 million, $4.8 million and $3.6 million. Recent operating performance, along with assumptions for specific customer and industry opportunities, were considered in the key assumptions used during the fiscal 2014 impairment analysis. Management has determined the goodwill balance of these reporting units may have an increased likelihood of impairment if a prolonged downturn in customer demand were to occur, or if the reporting units were not able to execute against customer opportunities, and the long-term outlook for their cash flows were adversely impacted. Furthermore, changes in the long-term outlook may result in changes to other valuation assumptions. Factors monitored by management which could result in a change to the reporting units' estimates include the outcome of customer requests for proposals and subsequent awards, strategies of competitors, labor market conditions and levels of overall economic activity, including construction and housing activity. As of October 25, 2014, the Company believes the goodwill is recoverable for all of the reporting units; however, there can be no assurances that the goodwill will not be impaired in future periods.
	Intangible Assets
	The Company's intangible assets consist of the following:
		October 25,		July 26,
		2014		2014
		(Dollars in thousands)
	Carrying amount:
	Customer relationships	$	179,391	$	173,594
	Contract backlog	13,546		15,285
	Trade names	8,200		8,200
	UtiliQuest trade name	4,700		4,700
	Non-compete agreements	400		400
		206,237		202,179
	Accumulated amortization:
	Customer relationships	72,483		69,048
	Contract backlog	12,063		13,490
	Trade names	3,683		3,361
	Non-compete agreements	184		164
		88,413		86,063
	Net Intangible Assets	$	117,824	$	116,116
	The carrying amount of customer relationships increased $5.8 million during fiscal 2015 as a result of the preliminary allocation of the purchase price of Hewitt. Amortization of the Company's customer relationships and contract backlog intangible assets 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 of the intangible asset. Amortization expense for finite-lived intangible assets was $4.1 million and $5.2 million for the three months ended October 25, 2014 and October 26, 2013, respectively.
	Estimated total amortization expense for the remainder of fiscal 2015 and each of the five succeeding fiscal years and thereafter is as follows:
	Period		Amount
			(Dollars in thousands)
	Nine months ending July 25, 2015		$12,317
	2016		$15,782
	2017		$14,308
	2018		$12,148
	2019		$9,757
	2020		$8,842
	Thereafter		$39,970
	Total		$113,124
	As of October 25, 2014, 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.

Accrued_Insurance_Claims

Accrued Insurance Claims	3 Months Ended
	Oct. 25, 2014
Accrued Insurance Claims [Abstract]	'
Accrued Insurance Claims	'
	Accrued Insurance Claims
	Within its insurance program the Company retains the risk of loss, up to certain limits, for claims relating to automobile liability, general liability, workers’ compensation, employee group health, and damages relating to underground facility locating services. With respect to losses occurring in fiscal 2015, the Company retains the risk of loss up to $1.0 million on a per occurrence basis for automobile liability, general liability and workers’ compensation. These retention amounts are applicable to all of the states in which the Company operates, except with respect to workers’ compensation insurance in two states in which the Company participates in a state-sponsored insurance fund. Aggregate stop loss coverage for automobile liability, general liability and workers’ compensation claims is $59.5 million for fiscal 2015.
	The Company is party to a stop-loss agreement for losses under its employee group health plan. The Company retains the risk of loss, on an annual basis, of the first $250,000 of claims per participant. In addition, the Company retains the risk of loss for the first $550,000 of claim amounts that aggregate across all participants having claims that exceed $250,000.
	The liability for total accrued insurance claims and related processing costs was $69.7 million and $66.0 million at October 25, 2014 and July 26, 2014, respectively, of which, $36.2 million and $33.8 million, respectively, is reflected within non-current liabilities in the condensed consolidated financial statements.

Other_Accrued_Liabilities

Other Accrued Liabilities	3 Months Ended
	Oct. 25, 2014
Payables and Accruals [Abstract]	'
Other Accrued Liabilities	'
	Other Accrued Liabilities
	Other accrued liabilities consist of the following:
		October 25,		July 26,
		2014		2014
		(Dollars in thousands)
	Accrued payroll and related taxes	$	19,421	$	18,429
	Accrued employee benefit and incentive plan costs	9,360		17,677
	Accrued construction costs	23,529		20,689
	Accrued interest and related bank fees	5,821		872
	Income taxes payable	13,369		5,223
	Other current liabilities	15,405		13,244
	Total other accrued liabilities	$	86,905	$	76,134

Debt

Debt	3 Months Ended
	Oct. 25, 2014
Debt Disclosure [Abstract]	'
Debt	'
	Debt
	The Company’s outstanding indebtedness consists of the following:
		October 25,			July 26,
		2014			2014
		(Dollars in thousands)
	Senior Credit Agreement - Revolving facility (matures December 2017)	$	75,000		$	63,000
	Senior Credit Agreement - Term Loan (matures December 2017)	111,719			114,063
	7.125% senior subordinated notes due 2021	277,500			277,500
	Long-term debt premium on 7.125% senior subordinated notes (amortizes to interest expense through January 2021)	3,140			3,238
		467,359			457,801
	Less: current portion	(11,719		)	(10,938		)
	Long-term debt	$	455,640		$	446,863
	Senior Subordinated Notes Due 2021
	As of October 25, 2014 and July 26, 2014, Dycom Investments, Inc., (the "Issuer"), a wholly-owned subsidiary of the Company, had outstanding an aggregate principal amount of $277.5 million of 7.125% senior subordinated notes due 2021 that were issued under an indenture dated January 21, 2011 (the "Indenture"). In addition, the 2021 Notes had a debt premium of $3.1 million and $3.2 million as of October 25, 2014 and July 26, 2014, respectively.
	The 2021 Notes are guaranteed by the Issuer's parent company and substantially all of the Company's subsidiaries. For additional information regarding these guarantees see Note 18, Supplemental Consolidating Financial Statements. The Indenture contains covenants that limit, among other things, the Company's ability to incur additional debt and issue preferred stock, make certain restricted payments, consummate specified asset sales, enter into transactions with affiliates, incur liens, impose restrictions on the ability of its subsidiaries to pay dividends or make payments to the Company and its restricted subsidiaries, merge or consolidate with another person, and dispose of all or substantially all of its assets.
	The Company determined that the fair value of the 2021 Notes as of October 25, 2014 was approximately $290.7 million based on quoted market prices, compared to a $280.6 million carrying value (including the debt premium of $3.1 million). As of July 26, 2014, the fair value of the 2021 Notes was $297.6 million compared to a carrying value of $280.7 million (including the debt premium of $3.2 million).
	Senior Credit Agreement
	Dycom Industries, Inc. and certain of its subsidiaries, are party to a credit agreement (the "Credit Agreement") with various lenders. The Credit Agreement matures in December 2017 and provides for a $275 million revolving facility and a $125 million term loan (the "Term Loan"). Borrowings under the Credit Agreement can be used to refinance certain indebtedness, to provide general working capital, and for other general corporate purposes.
	The Company had outstanding revolver borrowings under the Credit Agreement of $75.0 million and $63.0 million as of October 25, 2014 and July 26, 2014, respectively, which accrued interest at a weighted average rate of approximately 2.27% per annum and 2.55% per annum as of October 25, 2014 and July 26, 2014, respectively. Additionally, the Company had $111.7 million and $114.1 million of outstanding principal amount under the Term Loan as of October 25, 2014 and July 26, 2014, respectively, which accrued interest at 2.15% per annum, as of both October 25, 2014 and July 26, 2014.
	The Credit Agreement contains a sublimit of $150 million for the issuance of letters of credit. Standby letters of credit of approximately $54.3 million and $49.4 million, issued as part of the Company's insurance program, were outstanding under the Credit Agreement as of October 25, 2014 and July 26, 2014, respectively. Interest on outstanding standby letters of credit accrued at 2.0% per annum at both October 25, 2014 and July 26, 2014. The unused facility fee was 0.35% of unutilized commitments at both October 25, 2014 and July 26, 2014.
	At October 25, 2014 and July 26, 2014, the Company was in compliance with the financial covenants of the Credit Agreement and had additional borrowing availability of $145.7 million and $162.6 million, respectively, as determined by the most restrictive covenants of the Credit Agreement.

Income_Taxes

Income Taxes	3 Months Ended
	Oct. 25, 2014
Income Tax Disclosure [Abstract]	'
Income Taxes	'
	Income Taxes
	The Company accounts for income taxes under the asset and liability method. This approach requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of temporary differences between the carrying amounts and the tax bases of assets and liabilities. The Company’s effective income tax rate differs from the statutory rate for the tax jurisdictions where it operates primarily as the result of the impact of state income taxes, non-deductible and non-taxable items and tax credits recognized in relation to pre-tax results. Measurement of certain aspects of the Company’s tax positions are based on interpretations of tax regulations, federal and state case law and the applicable statutes.
	The Company is subject to federal income taxes in the United States, as well as income taxes of multiple state jurisdictions and in Canada. There were immaterial amounts of pre-tax income related to Canadian operations for the three months ended October 25, 2014 and October 26, 2013. With few exceptions, the Company is no longer subject to U.S. federal, state and local, or Canadian income tax examinations for fiscal years ended 2010 and prior. The Company believes its provision for income taxes is adequate; however, any assessment would affect the Company’s results of operations and cash flows. Income tax receivables totaling less than $0.1 million and $2.2 million are included in other current assets as of October 25, 2014 and July 26, 2014, respectively. Income tax payables totaling $13.4 million and $5.2 million are included within other accrued liabilities as of October 25, 2014 and July 26, 2014, respectively.
	As of both October 25, 2014 and July 26, 2014, the Company had total unrecognized tax benefits of $2.4 million that would reduce the Company’s effective tax rate during future periods if it is subsequently determined that those liabilities were not required. The Company had approximately $0.8 million for the payment of interest and penalties accrued at both October 25, 2014 and July 26, 2014. Interest expense related to unrecognized tax benefits was immaterial during the three months ended October 25, 2014 and October 26, 2013.

Other_Income_Net

Other Income, Net	3 Months Ended
	Oct. 25, 2014
Other Income and Expenses [Abstract]	'
Other Income, Net	'
	Other Income, Net
	The components of other income, net, are as follows:
		For the Three Months Ended
		25-Oct-14		26-Oct-13
		(Dollars in thousands)
	Gain on sale of fixed assets	$	1,523	$	1,865
	Miscellaneous income, net	272		147
	Total other income, net	$	1,795	$	2,012

Capital_Stock

Capital Stock	3 Months Ended
	Oct. 25, 2014
Stockholders' Equity Note [Abstract]	'
Capital Stock	'
	Capital Stock
	During fiscal 2014, the Company repurchased 360,900 shares of its common stock in open market transactions, at an average price of $27.71 per share, for approximately $10.0 million under its share repurchase program. All shares repurchased have been subsequently canceled. No shares were repurchased during the first quarter of fiscal 2015. As of October 25, 2014, approximately $30.0 million of the $40.0 million authorized on August 27, 2013 remained authorized for repurchases through February 2015.
	During the three months ended October 25, 2014 and October 26, 2013, the Company withheld 10,931 shares and 19,468 shares, respectively, of shares issued with respect to restricted units that vested during the periods, totaling $0.3 million and $0.6 million, respectively, in order to meet payroll tax withholdings obligations that arose on the vesting of restricted units. All shares withheld have been canceled. The shares withheld for tax withholdings do not reduce the Company’s total share repurchase authority.

StockBased_Awards

Stock-Based Awards	3 Months Ended
	Oct. 25, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'
Stock-Based Awards	'
	Stock-Based Awards
	The Company has certain stock-based compensation plans which provide for the grants of stock-based awards, including stock options, restricted shares, performance shares, restricted share units, performance share units, and stock appreciation rights.
	Compensation expense for stock-based awards is based on the fair value at the measurement date and is included in general and administrative expenses in the condensed consolidated statements of operations. The total amount of stock-based compensation expense ultimately recognized is based on the number of awards that actually vest and fluctuates as a result of performance criteria for performance-based awards, as well as the vesting period of all stock-based awards. For performance share units ("Performance RSUs"), the Company evaluates compensation expense quarterly and recognizes expense for performance-based awards only if management determines it is probable that the performance criteria for the awards will be met. Accordingly, the amount of compensation expense recognized during any fiscal year may not be representative of future stock-based compensation expense.
	Stock-based compensation expense and the related tax benefit recognized related to stock options and restricted share units during the three months ended October 25, 2014 and October 26, 2013 are as follows:
		For the Three Months Ended
		25-Oct-14			26-Oct-13
		(Dollars in thousands)
	Stock-based compensation	$	3,890		$	3,506
	Tax benefit recognized in the statement of operations	$	1,464		$	1,299
	As of October 25, 2014, unrecognized compensation expense related to stock options, time-based restricted share units ("RSUs") and target Performance RSUs was $2.7 million, $5.8 million and $9.7 million, respectively, based on the Company's estimate of performance goal achievement. This expense will be recognized over a weighted-average period of 2.2 years, 2.4 years and 1.5 years, respectively, which is based on the average remaining service periods of the awards. As of October 25, 2014, the Company may recognize an additional $4.5 million in compensation expense related to Performance RSUs if the maximum amount of restricted share units are earned based on certain performance goals being met.
	Stock Options
	The following table summarizes stock option award activity during the three months ended October 25, 2014:
		Stock Options
		Shares		Weighted Average Exercise Price
	Outstanding as of July 26, 2014	2,044,893		$	18.68
	Granted	—		$	—
	Options exercised	(39,525	)	$	14.35
	Forfeited or canceled	(5,966	)	$	27.8
	Outstanding as of October 25, 2014	1,999,402		$	18.74
	Exercisable options as of October 25, 2014	1,531,775		$	18.89
	RSUs and Performance RSUs
	The following table summarizes RSU and Performance RSU activity during the three months ended October 25, 2014:
		Restricted Stock
		RSUs					Performance RSUs
		Share Units		Weighted Average Grant Price			Share Units		Weighted Average Grant Price
	Outstanding as of July 26, 2014	398,931		$	20.61		1,190,184		$	21.73
	Granted	984		$	28.44		68,418		$	28.84
	Share units vested	(984	)	$	28.44		(37,512	)	$	19.83
	Forfeited or canceled	(291	)	$	19.26		(323,687	)	$	19.79
	Outstanding as of October 25, 2014	398,640		$	20.61		897,403		$	23.05
	The granted Performance RSUs in the above table is comprised of 34,209 target shares and 34,209 supplemental shares granted to officers. Approximately 312,163 Performance RSUs outstanding as of July 26, 2014, including 48,313 target shares and 263,850 supplemental shares, were canceled during the first quarter of fiscal 2015 as a result of the fiscal 2014 performance criteria not being fully met. The total amount of Performance RSUs outstanding as of October 25, 2014 is comprised of 690,342 target shares and 207,061 supplemental shares.

Related_Party_Transactions

Related Party Transactions	3 Months Ended
	Oct. 25, 2014
Related Party Transactions [Abstract]	'
Related Party Transactions	'
	Related Party Transactions
	The Company leases administrative offices from entities related to officers of certain of the Company’s subsidiaries. The total expense under these arrangements was $0.4 million and $0.6 million for the three months ended October 25, 2014 and October 26, 2013, respectively. Additionally, amounts paid for subcontracting services and materials to entities related to officers of certain of the Company’s subsidiaries were $0.5 million and $0.7 million during the three months ended October 25, 2014 and October 26, 2013, respectively. The Company believes that all related party transactions have been conducted on an arms-length basis and the terms are similar to those that would be available to other third parties.

Concentration_of_Credit_Risk

Concentration of Credit Risk	3 Months Ended
	Oct. 25, 2014
Risks and Uncertainties [Abstract]	'
Concentration of Credit Risk	'
	Concentration of Credit Risk
	The Company’s customer base is highly concentrated, with its top five customers in each period accounting for approximately 59.4% and 57.2% of its total revenues during the three months ended October 25, 2014 and October 26, 2013, respectively. Customers whose revenues exceeded 10% of total revenue during the three months ended October 25, 2014 or October 26, 2013 are as follows:
		For the Three Months Ended
		October 25, 2014		October 26, 2013
	AT&T Inc.	21.20%		17.50%
	CenturyLink, Inc.	13.10%		15.50%
	Comcast Corporation	12.80%		10.50%
	Customers representing 10% or more of combined amounts of trade accounts receivable and costs and estimated earnings in excess of billings, net as of October 25, 2014 or July 26, 2014 had the following outstanding balances and the related percentage of the Company’s total outstanding balances:
		October 25, 2014					July 26, 2014
		Amount			% of Total		Amount		% of Total
					(Dollars in millions)
	AT&T Inc.	$	100.3		18.5	%	$	87.6	17.9	%
	CenturyLink, Inc.	$	58.2		10.8	%	$	48.2	9.8	%
	Comcast Corporation	$	57.1		10.6	%	$	48.9	9.9	%

Commitments_and_Contingencies

Commitments and Contingencies	3 Months Ended
	Oct. 25, 2014
Commitments and Contingencies Disclosure [Abstract]	'
Commitments and Contingencies	'
	Commitments and Contingencies
	In October 2012, a former employee of UtiliQuest, LLC ("UtiliQuest"), a wholly-owned subsidiary of the Company, commenced a lawsuit against UtiliQuest in the Superior Court of California. The lawsuit alleges that UtiliQuest violated the California Labor Code, the California Business & Professions Code and the Labor Code Private Attorneys General Act of 2004 by failing to pay for all hours worked (including overtime) and failing to provide meal breaks and accurate wage statements. The plaintiff seeks unspecified damages and other relief on behalf of himself and a putative class of current and former employees of UtiliQuest who worked as locators in the State of California in the four years preceding the filing date of the lawsuit. In January 2013, UtiliQuest removed the case to the United States District Court for the Northern District of California and the plaintiff subsequently filed a Motion to Remand the case back to the California Superior Court. In April 2013, the parties exchanged initial disclosures and in July 2013, the District Court granted plaintiff's Motion to Remand. UtiliQuest filed its second removal of the case to the District Court in October 2013. On January 8, 2014, the District Court remanded the matter back to the California Superior Court. In July 2014, the plaintiff’s attorney and UtiliQuest entered into a memorandum of understanding pursuant to which the parties agreed to the terms of a proposed settlement of the lawsuit. On November 12, 2014, the Court entered an order of preliminary approval of the proposed settlement. A final approval hearing is scheduled for February 2015. As of October 25, 2014 and July 26, 2014, $0.6 million was included in other accrued liabilities with respect to the settlement.
	The Company has filed construction liens with respect to approximately $17.7 million for past due balances from a customer on a rural project funded primarily by the Rural Utilities Service agency of the United States Department of Agriculture (the “RUS”) under the American Recovery and Reinvestment Act of 2009. In April 2014, R&R Taylor Construction, Inc. ("R&R"), a construction company, filed suit against this customer alleging that the customer failed to pay for construction services and materials. In its lawsuit, the construction company seeks to foreclose on its construction lien and, ultimately, to foreclose on the parcel of land itself. Pauley Construction, Inc. (“Pauley”), a wholly-owned subsidiary of the Company, had performed work on this parcel as part of its work on the rural project described above. Pauley has filed a construction lien on the parcel with respect to past due accounts receivable relating to this project. In July 2014, R&R amended its lawsuit to include Pauley, alleging that its lien has priority over Pauley’s construction lien. Pauley has filed an answer to this amended complaint in the Montana Eighteenth Judicial District Court, a counterclaim against the construction company and a cross-claim against the customer, alleging that Pauley’s lien is superior to all other liens on such parcel of land. It is too early to evaluate the likelihood of an outcome to this matter. The Company intends to vigorously defend itself against this lawsuit as part of ongoing efforts to collect the past due amount from this customer.
	From time to time, the Company is party to various other claims and legal proceedings. It is the opinion of management, based on information available at this time, that such other pending claims or proceedings will not have a material effect on its financial statements.
	Within the Company's insurance program, it retains the risk of loss, up to certain limits, for claims related to automobile liability, general liability, workers' compensation, employee group health, and damages relating to underground facility locating services, and the Company has established reserves that it believes to be adequate based on current evaluations and experience with these types of claims. For these claims, the effect on the Company's financial statements is generally limited to the amount needed to satisfy insurance deductibles or retentions.
	Commitments
	Performance Bonds and Guarantees - The Company has obligations under performance and other surety contract bonds related to certain of its customer contracts. Performance bonds generally provide the Company’s customer with the right to obtain payment and/or performance from the issuer of the bond if the Company fails to perform its contractual obligations. As of October 25, 2014 and July 26, 2014, the Company had $443.9 million and $446.8 million of outstanding performance and other surety contract bonds, respectively. There has been no material impact on the Company's financial statements as a result of customers exercising their rights under the bonds.
	The Company has periodically guaranteed certain obligations of its subsidiaries, including obligations in connection with obtaining state contractor licenses and leasing real property and equipment.
	Letters of Credit - The Company has standby letters of credit issued under its Credit Agreement as part of its insurance program. These standby letters of credit collateralize the Company’s obligations to its insurance carriers in connection with the settlement of potential claims. As of October 25, 2014 and July 26, 2014, the Company had $54.3 million and $49.4 million, respectively, of outstanding standby letters of credit issued under the Credit Agreement.
	Multi-Employer Benefit Plans - The Company contributes to several multi-employer defined benefit pension plans under the terms of collective bargaining agreements that cover certain employees represented by unions. The risks of participating in a multi-employer plan are different from single-employer plans in the following aspects: (a) assets contributed to the multi-employer plan by one employer may be used to provide benefits to employees of other participating employers; (b) if a participating employer stops contributing to the plan, the unfunded obligations of the plan may be inherited by the remaining participating employers; and (c) if the Company stops participating in the multi-employer plan the Company may be required to pay the plan an amount based on the underfunded status of the plan, referred to as a withdrawal liability. The Company has not incurred withdrawal liabilities related to the plans as of October 25, 2014 or July 26, 2014.

Supplemental_Consolidating_Fin

Supplemental Consolidating Financial Statements	3 Months Ended
	Oct. 25, 2014
Condensed Financial Information of Parent Company Only Disclosure [Abstract]	'
Supplemental Consolidating Financial Statements	'
	Supplemental Consolidating Financial Statements
	On October 25, 2014 and July 26, 2014, Dycom Investments, Inc. (the "Issuer") had outstanding an aggregate principal amount of $277.5 million of 2021 Notes. The 2021 Notes are guaranteed by Dycom Industries, Inc. (the "Parent") and substantially all of the Company's subsidiaries. Each guarantor and non-guarantor subsidiary is 100% owned, directly or indirectly, by the Issuer and the Parent. The 2021 Notes are fully and unconditionally guaranteed on a joint and several basis by each guarantor subsidiary and Parent. The Indenture contains certain release provisions for the guarantor subsidiaries and the Parent. With respect to the guarantor subsidiaries, these provisions include release upon (i) the sale or other disposition of all or substantially all of the assets of a guarantor or a sale or other disposition of all of the capital stock of a guarantor, in each case, to a person that is not the Issuer, the Parent or a restricted subsidiary of the Parent, (ii) the designation of a restricted subsidiary that is a guarantor as an unrestricted subsidiary, (iii) the legal defeasance, covenant defeasance or satisfaction and discharge of the Indenture, and (iv) the release of a guarantor of its guarantee of any credit facility. The Parent may not be released from its guarantee under any circumstances, except in the event of legal or covenant defeasance of the Notes or of satisfaction and discharge of the Indenture or pursuant to a provision of the Indenture which limits the Parent’s liability under its guarantee in order to prevent a fraudulent conveyance. There are no contractual restrictions limiting transfers of cash from guarantor and non-guarantor subsidiaries to Issuer or Parent, within the meaning of Rule 3-10 of Regulation S-X.
	The following consolidating financial statements present, in separate columns, financial information for (i) the Parent on a parent only basis, (ii) the Issuer, (iii) the guarantor subsidiaries on a combined basis, (iv) other non-guarantor subsidiaries on a combined basis, (v) the eliminations and reclassifications necessary to arrive at the information for the Company on a consolidated basis, and (vi) the Company on a consolidated basis. The consolidating financial statements are presented in accordance with the equity method. Under this method, the investments in subsidiaries are recorded at cost and adjusted for the Company’s share of subsidiaries’ cumulative results of operations, capital contributions, distributions and other equity changes. Intercompany charges (income) between the Parent and subsidiaries are recognized in the consolidating financial statements during the period incurred and the settlement of intercompany balances is reflected in the consolidating statement of cash flows based on the nature of the underlying transactions.
	DYCOM INDUSTRIES, INC. AND SUBSIDIARIES
	CONDENSED CONSOLIDATED BALANCE SHEET (UNAUDITED)
	OCTOBER 25, 2014
		Parent			Issuer			Subsidiary Guarantors			Non- Guarantor Subsidiaries			Eliminations and Reclassifications			Dycom Consolidated
		(Dollars in thousands)
	ASSETS
	CURRENT ASSETS:
	Cash and equivalents	$	—		$	—		$	15,801		$	658		$	—		$	16,459
	Accounts receivable, net	—			—			293,310			3,522			—			296,832
	Costs and estimated earnings in excess of billings	—			—			255,062			1,889			—			256,951
	Inventories	—			—			47,003			—			—			47,003
	Deferred tax assets, net	4,001			—			17,017			177			(173		)	21,022
	Other current assets	7,434			2			6,605			426			—			14,467
	Total current assets	11,435			2			634,798			6,672			(173		)	652,734
	PROPERTY AND EQUIPMENT, NET	17,743			—			170,707			17,689			—			206,139
	GOODWILL	—			—			269,465			—			—			269,465
	INTANGIBLE ASSETS, NET	—			—			117,226			598			—			117,824
	DEFERRED TAX ASSETS, NET NON-CURRENT	403			—			4,294			35			(4,732		)	—
	INVESTMENT IN SUBSIDIARIES	830,423			1,565,469			1,681			—			(2,397,573		)	—
	INTERCOMPANY RECEIVABLES	—			—			612,828			—			(612,828		)	—
	OTHER	7,967			5,465			2,420			143			—			15,995
	TOTAL NON-CURRENT ASSETS	856,536			1,570,934			1,178,621			18,465			(3,015,133		)	609,423
	TOTAL ASSETS	$	867,971		$	1,570,936		$	1,813,419		$	25,137		$	(3,015,306	)	$	1,262,157
	LIABILITIES AND STOCKHOLDERS' EQUITY
	CURRENT LIABILITIES:
	Accounts payable	$	1,159		$	—		$	63,901		$	1,362		$	—		$	66,422
	Current portion of debt	11,719			—			—			—			—			11,719
	Billings in excess of costs and estimated earnings	—			—			14,027			—			—			14,027
	Accrued insurance claims	565			—			32,900			60			—			33,525
	Deferred tax liabilities	—			80			64			29			(173		)	—
	Other accrued liabilities	20,437			5,492			58,909			2,067			—			86,905
	Total current liabilities	33,880			5,572			169,801			3,518			(173		)	212,598
	LONG-TERM DEBT	175,000			280,640			—			—			—			455,640
	ACCRUED INSURANCE CLAIMS	707			—			35,424			58			—			36,189
	DEFERRED TAX LIABILITIES, NET NON-CURRENT	—			432			46,865			453			(4,732		)	43,018
	INTERCOMPANY PAYABLES	145,716			453,869			—			13,243			(612,828		)	—
	OTHER LIABILITIES	3,167			—			2,039			5			—			5,211
	Total liabilities	358,470			740,513			254,129			17,277			(617,733		)	752,656
	Total stockholders' equity	509,501			830,423			1,559,290			7,860			(2,397,573		)	509,501
	TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	867,971		$	1,570,936		$	1,813,419		$	25,137		$	(3,015,306	)	$	1,262,157
	DYCOM INDUSTRIES, INC. AND SUBSIDIARIES
	CONDENSED CONSOLIDATED BALANCE SHEET
	26-Jul-14
		Parent			Issuer			Subsidiary Guarantors			Non- Guarantor Subsidiaries			Eliminations and Reclassifications			Dycom Consolidated
		(Dollars in thousands)
	ASSETS
	CURRENT ASSETS:
	Cash and equivalents	$	—		$	—		$	19,739		$	933		$	—		$	20,672
	Accounts receivable, net	—			—			269,760			2,981			—			272,741
	Costs and estimated earnings in excess of billings	—			—			228,541			2,028			—			230,569
	Inventories	—			—			49,095			—			—			49,095
	Deferred tax assets, net	3,822			—			16,193			87			(170		)	19,932
	Other current assets	4,956			16			7,237			518			—			12,727
	Total current assets	8,778			16			590,565			6,547			(170		)	605,736
	PROPERTY AND EQUIPMENT, NET	18,108			—			171,158			16,147			—			205,413
	GOODWILL	—			—			269,088			—			—			269,088
	INTANGIBLE ASSETS, NET	—			—			115,483			633			—			116,116
	DEFERRED TAX ASSETS, NET NON-CURRENT	182			—			3,884			15			(4,081		)	—
	INVESTMENT IN SUBSIDIARIES	809,617			1,540,338			1,621			—			(2,351,576		)	—
	INTERCOMPANY RECEIVABLES	—			—			628,443			—			(628,443		)	—
OTHER	7,748			5,636			2,466			151			—			16,001
TOTAL NON-CURRENT ASSETS	835,655			1,545,974			1,192,143			16,946			(2,984,100		)	606,618
TOTAL ASSETS	$	844,433		$	1,545,990		$	1,782,708		$	23,493		$	(2,984,270	)	$	1,212,354
LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
Accounts payable	$	3,083		$	—		$	58,970		$	1,265		$	—		$	63,318
Current portion of debt	10,938			—			—			—			—			10,938
Billings in excess of costs and estimated earnings	—			—			13,882			—			—			13,882
Accrued insurance claims	612			—			31,599			49			—			32,260
Deferred tax liabilities	—			80			66			24			(170		)	—
Other accrued liabilities	12,668			566			61,284			1,616			—			76,134
Total current liabilities	27,301			646			165,801			2,954			(170		)	196,532
LONG-TERM DEBT	166,125			280,738			—			—			—			446,863
ACCRUED INSURANCE CLAIMS	778			—			32,959			45			—			33,782
DEFERRED TAX LIABILITIES, NET NON-CURRENT	—			432			48,593			417			(4,081		)	45,361
INTERCOMPANY PAYABLES	162,127			454,557			—			11,759			(628,443		)	—
OTHER LIABILITIES	3,168			—			1,711			3			—			4,882
Total liabilities	359,499			736,373			249,064			15,178			(632,694		)	727,420
Total stockholders' equity	484,934			809,617			1,533,644			8,315			(2,351,576		)	484,934
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	844,433		$	1,545,990		$	1,782,708		$	23,493		$	(2,984,270	)	$	1,212,354
CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (UNAUDITED)
FOR THE THREE MONTHS ENDED OCTOBER 26, 2013
(Dollars in thousands)
	Parent			Issuer			Subsidiary Guarantors			Non-Guarantor Subsidiaries			Eliminations			Dycom Consolidated
Contract revenues	$	—		$	—		$	509,430		$	3,290		$	—		$	512,720
Costs of earned revenues, excluding depreciation and amortization	—			—			407,695			2,424			—			410,119
General and administrative	11,237			226			28,945			2,667			—			43,075
Depreciation and amortization	854			—			21,621			1,077			—			23,552
Intercompany charges (income), net	(13,976		)	—			14,110			(134		)	—			—
Interest expense, net	(1,888		)	(4,994		)	(4		)	—			—			(6,886		)
Other income, net	3			—			1,945			64			—			2,012
INCOME (LOSS) BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF SUBSIDIARIES	—			(5,220		)	39,000			(2,680		)	—			31,100
PROVISION (BENEFIT) FOR INCOME TAXES	—			(2,087		)	15,600			(1,073		)	—			12,440
NET INCOME (LOSS) BEFORE EQUITY IN EARNINGS OF SUBSIDIARIES	—			(3,133		)	23,400			(1,607		)	—			18,660
EQUITY IN EARNINGS OF SUBSIDIARIES	18,660			21,793			—			—			(40,453		)	—
NET INCOME (LOSS)	$	18,660		$	18,660		$	23,400		$	(1,607	)	$	(40,453	)	$	18,660
Foreign currency translation loss, net of tax	(60		)	(60		)	—			(60		)	120			(60		)
COMPREHENSIVE INCOME (LOSS)	$	18,600		$	18,600		$	23,400		$	(1,667	)	$	(40,333	)	$	18,600
CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED)
FOR THE THREE MONTHS ENDED OCTOBER 25, 2014
(Dollars in thousands)
	Parent			Issuer			Subsidiary Guarantor			Non- Guarantor Subsidiaries			Elim-inations			Dycom Consolidated
Net cash provided by (used in) operating activities	$	(5,233	)	$	1,924		$	14,666		$	(452	)	$	—		$	10,905
Cash flows from investing activities:
Cash paid for acquisitions, net of cash acquired	—			—			(8,371		)	—			—			(8,371		)
Capital expenditures	(1,597		)	—			(14,861		)	(1,570		)	—			(18,028		)
Proceeds from sale of assets	—			—			1,698			—			—			1,698
Return of capital from subsidiaries	—			891			—			—			(891		)	—
Investment in subsidiaries	—			(2,125		)	(200		)	—			2,325			—
Changes in restricted cash	(541		)	—			—			—			—			(541		)
Net cash used in investing activities	(2,138		)	(1,234		)	(21,734		)	(1,570		)	1,434			(25,242		)
Cash flows from financing activities:
Borrowings on senior Credit Agreement	132,000			—			—			—			—			132,000
Principal payments on senior Credit Agreement	(122,344		)	—			—			—			—			(122,344		)
Exercise of stock options	567			—			—			—			—			567
Restricted stock tax withholdings	(309		)	—			—			—			—			(309		)
Excess tax benefit from share-based awards	210			—			—			—			—			210
Intercompany funding	(2,753		)	(690		)	3,130			1,747			(1,434		)	—
Net cash provided by (used in) financing activities	7,371			(690		)	3,130			1,747			(1,434		)	10,124
Net decrease in cash and equivalents	—			—			(3,938		)	(275		)	—			(4,213		)
CASH AT BEGINNING OF PERIOD	—			—			19,739			933			—			20,672
CASH AND EQUIVALENTS AT END OF PERIOD	$	—		$	—		$	15,801		$	658		$	—		$	16,459
CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED)
FOR THE THREE MONTHS ENDED OCTOBER 26, 2013
(Dollars in thousands)
	Parent			Issuer			Subsidiary Guarantor			Non- Guarantor Subsidiaries			Elim-inations			Dycom Consolidated
Net cash (used in) provided by operating activities	$	(2,905	)	$	1,835		$	(17,351	)	$	(272	)	$	—		$	(18,693	)
Cash flows from investing activities:
Capital expenditures	(1,680		)	—			(27,042		)	(1,566		)	—			(30,288		)
Proceeds from sale of assets	—			—			2,422			43			—			2,465
Changes in restricted cash	(305		)	—			—			—			—			(305		)
Net cash (used in) investing activities	(1,985		)	—			(24,620		)	(1,523		)	—			(28,128		)
Cash flows from financing activities:
Borrowings on senior Credit Agreement	164,000			—			—			—			—			164,000
Principal payments on senior Credit Agreement	(131,563		)	—			—			—			—			(131,563		)
Exercise of stock options	10,124			—			—			—			—			10,124
Restricted stock tax withholdings	(609		)	—			—			—			—			(609		)
Excess tax benefit from share-based awards	656			—			—			—			—			656
Intercompany funding	(37,718		)	(1,835		)	37,436			2,117			—			—
Net cash provided by (used in) financing activities	4,890			(1,835		)	37,436			2,117			—			42,608
Net (decrease) increase in cash and equivalents	—			—			(4,535		)	322			—			(4,213		)
CASH AT BEGINNING OF PERIOD	—			—			18,166			441			—			18,607
CASH AND EQUIVALENTS AT END OF PERIOD	$	—		$	—		$	13,631		$	763		$	—		$	14,394

Basis_of_Presentation_and_Acco1

Basis of Presentation and Accounting Policies (Policies)	3 Months Ended
	Oct. 25, 2014
Accounting Policies [Abstract]	'
Basis of Presentation	'
	Basis of Presentation
	Dycom Industries, Inc. ("Dycom" or the "Company") is a leading provider of specialty contracting services throughout the United States and in Canada. The Company's services include engineering, construction, maintenance and installation services to telecommunications providers, underground facility locating services to various utilities, including telecommunications providers, and other construction and maintenance services to electric and gas utilities.
	The accompanying unaudited condensed consolidated financial statements include the results of Dycom and its subsidiaries, all of which are wholly-owned. All intercompany accounts and transactions have been eliminated and the financial statements reflect all adjustments, consisting of only normal recurring accruals that are, in the opinion of management, necessary for a fair presentation of such statements. These financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the Securities and Exchange Commission ("SEC"). Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements. Operating results for the interim period are not necessarily indicative of the results expected for any other interim period or for the full fiscal year. These condensed consolidated financial statements and accompanying notes should be read in conjunction with Management's Discussion and Analysis of Financial Condition and Results of Operations contained in this report and the Company's audited financial statements for the year ended July 26, 2014 included in the Company's Annual Report on Form 10-K for the year ended July 26, 2014, filed with the SEC on September 9, 2014.
Segment Information	'
	Segment Information – The Company operates in one reportable segment as a specialty contractor, providing engineering, construction, maintenance and installation services to telecommunications providers, underground facility locating services to various utilities, including telecommunications providers, and other construction and maintenance services to electric and gas utilities. The Company operates through its operating segments, each of which consists of a legal subsidiary (or in limited cases, the combination of two or more subsidiaries). Management of the operating segments report to the Company's Chief Operating Officer who reports to the Chief Executive Officer, the chief operating decision maker. All of the Company's operating segments have been aggregated into one reportable segment due to their similar economic characteristics, nature of services and production processes, type of customers, and service distribution methods. The Company's services are provided by its operating segments throughout the United States and in Canada. Revenues from services provided in Canada were approximately $4.7 million and $3.3 million during the three months ended October 25, 2014 and October 26, 2013 respectively. The Company had no material long-lived assets in Canada at October 25, 2014 or July 26, 2014.
Accounting Period	'
	Accounting Period – The Company uses a fiscal year ending on the last Saturday in July.
Use of Estimates	'
	Significant Accounting Policies & Estimates
	Significant Accounting Policies & Estimates – The preparation of financial statements in conformity with GAAP requires
	management to make estimates and assumptions that affect the amounts reported in these condensed consolidated financial
	statements and accompanying notes. At the time they are made, the Company believes that such estimates are fair when
	considered in conjunction with the consolidated financial position and results of operations taken as a whole. However, actual
	results could differ materially from those estimates. There have been no material changes to the Company's significant
	accounting policies and critical accounting estimates described in the Company's Annual Report on Form 10-K for the year
	ended July 26, 2014.
Restricted Cash	'
	Restricted Cash – As of October 25, 2014 and July 26, 2014, the Company had approximately $4.5 million and $4.0 million, respectively, in restricted cash which is held as collateral in support of the Company's insurance obligations. Restricted cash is included in other current assets and other assets in the condensed consolidated balance sheets and changes in restricted cash are reported in cash flows used in investing activities in the condensed consolidated statements of cash flows.
Fair Value of Financial Instruments	'
	Fair Value of Financial Instruments – The Company's financial instruments consist primarily of cash and equivalents, restricted cash, accounts receivables, income taxes receivable and payable, accounts payable and certain accrued expenses, and long-term debt. The carrying amounts of these items approximate fair value due to their short maturity, except for the Company's outstanding 7.125% senior subordinated notes due 2021 (the "2021 Notes") which are based on observable market-based inputs (Level 2) as of October 25, 2014 and July 26, 2014. See Note 10, Debt, for further information regarding the fair value of the 2021 Notes. The Company's cash and equivalents are based on quoted market prices in active markets for identical assets (Level 1) as of October 25, 2014 and July 26, 2014. During the three months ended October 25, 2014 and October 26, 2013, the Company had no material non-recurring fair value measurements of assets or liabilities subsequent to their initial recognition.
Recently Issued Accounting Pronouncements	'
	Recently Issued Accounting Pronouncements
	Accounting Standards Not Yet Adopted
	In April 2014, the FASB issued Accounting Standards Update No. 2014-08, Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360): Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity ("ASU 2014-08"). ASU 2014-08 changes the criteria for reporting discontinued operations. In accordance with ASU 2014-08, a disposal of a component of an entity or a group of components of an entity is required to be reported in discontinued operations only if the disposal represents a strategic shift that has (or will have) a major effect on an entity’s operations and financial results. ASU 2014-08 also requires expanded disclosures about the assets, liabilities, income, and expenses of discontinued operations as well as disclosure of the pre-tax income rising from a disposal of a significant part of an organization that does not qualify for discontinued operations reporting. ASU 2014-08 will be effective for the Company beginning in fiscal 2016 and interim reporting periods within that year. Early adoption is permitted only for disposals that have not been reported in financial statement previously issued or available for issuance. The adoption of this guidance is not expected to have a material effect on the Company's consolidated financial statements.
	In May 2014, the FASB issued Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers (Topic 606), ("ASU 2014-09"). ASU 2014-09 requires entities to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 requires entities to disclose both qualitative and quantitative information that enables users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers, including disclosure of significant judgments affecting the recognition of revenue. ASU 2014-09 will be effective for the Company beginning in fiscal 2018 and interim reporting periods within that year, using either the retrospective or cumulative effect transition method. Early adoption is not permitted. The Company is currently evaluating the effect of the adoption of this guidance on the consolidated financial statements.
	In August 2014, the FASB issued Accounting Standards Update No. 2014-15, Presentation of Financial Statements—Going Concern (Subtopic 205-40): Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern ("ASU 2014-15"). ASU 2014-15 requires management to evaluate whether there are conditions or events, considered in the aggregate, that raise substantial doubt about the entity’s ability to continue as a going concern for a period of one year after the date that the financial statements are issued. If such conditions or events exist, an entity should disclose that there is substantial doubt about the entity’s ability to continue as a going concern for a period of one year after the date that the financial statements are issued. Disclosure should include the principal conditions or events that raise substantial doubt, management’s evaluation of the significance of those conditions or events in relation to the entity’s ability to meet its obligations, and management’s plans that are intended to mitigate those conditions or events. ASU 2014-15 will be effective for the Company beginning in fiscal 2017 and interim reporting periods within that year. Early adoption is permitted. The adoption of this guidance is not expected to have a material effect on the Company's consolidated financial statements.

Computation_of_Earnings_Per_Co1

Computation of Earnings Per Common Share (Tables)	3 Months Ended
	Oct. 25, 2014
Earnings Per Share [Abstract]	'
Schedule of Earnings Per Share Reconciliation	'
	The following table sets forth the computation of basic and diluted earnings per common share:
		For the Three Months Ended
		October 25, 2014		October 26, 2013
		(Dollars in thousands, except per share amounts)
	Net income available to common stockholders (numerator)	$	20,807	$	18,660
	Weighted-average number of common shares (denominator)	34,010,147		33,423,678
	Basic earnings per common share	$	0.61	$	0.56
	Weighted-average number of common shares	34,010,147		33,423,678
	Potential common stock arising from stock options, and unvested restricted share units	1,107,526		1,215,320
	Total shares-diluted (denominator)	35,117,673		34,638,998
	Diluted earnings per common share	$	0.59	$	0.54
	Anti-dilutive weighted shares excluded from the calculation of earnings per share	570,749		547,154

Accounts_Receivable_Tables

Accounts Receivable (Tables)	3 Months Ended
	Oct. 25, 2014
Receivables [Abstract]	'
Schedule of Accounts Receivable	'
	Accounts receivable consists of the following:
		October 25,			July 26,
		2014			2014
		(Dollars in thousands)
	Contract billings	$	279,204		$	258,254
	Retainage and other receivables	18,458			15,323
	Total	297,662			273,577
	Less: allowance for doubtful accounts	(830		)	(836		)
	Accounts receivable, net	$	296,832		$	272,741

Costs_and_Estimated_Earnings_i1

Costs and Estimated Earnings in Excess of Billings (Tables)	3 Months Ended
	Oct. 25, 2014
Contractors [Abstract]	'
Costs and Estimated Earnings in Excess of Billings, Net	'
	Costs and estimated earnings in excess of billings ("CIEB") includes revenue for services from contracts based both on the units-of-delivery and the cost-to-cost measures of the percentage of completion method. Contracts in progress are as follows:
		October 25,			July 26,
		2014			2014
		(Dollars in thousands)
	Costs incurred on contracts in progress	$	232,709		$	234,766
	Estimated to date earnings	61,859			57,335
	Total costs and estimated earnings	294,568			292,101
	Less: billings to date	(51,644		)	(75,414		)
		$	242,924		$	216,687
	Included in the accompanying condensed consolidated balance sheets under the captions:
	Costs and estimated earnings in excess of billings	$	256,951		$	230,569
	Billings in excess of costs and estimated earnings	(14,027		)	(13,882		)
		$	242,924		$	216,687

Property_and_Equipment_Tables

Property and Equipment (Tables)	3 Months Ended
	Oct. 25, 2014
Property, Plant and Equipment [Abstract]	'
Schedule of Property and Equipment	'
	Property and equipment consists of the following:
		Estimated Useful Lives		October 25,				July 26,
				2014				2014
		(Years)		(Dollars in thousands)
	Land	—		$	3,408			$	3,408
	Buildings	Oct-35		11,598				11,589
	Leasehold improvements	10-Jan		5,602				5,335
	Vehicles	5-Jan		286,831				279,631
	Computer hardware and software	10-Mar		77,004				73,349
	Office furniture and equipment	7-Feb		7,873				7,790
	Equipment and machinery	10-Jan		180,723				177,608
	Total			573,039				558,710
	Less: accumulated depreciation			(366,900		)		(353,297		)
	Property and equipment, net			$	206,139			$	205,413
Schedule of Depreciation, Repairs, and Maintenance Expense	'
	Depreciation expense and repairs and maintenance are as follows:
		For the Three Months Ended
		October 25, 2014				October 26, 2013
		(Dollars in thousands)
	Depreciation expense	$	18,841			$	18,401
	Repairs and maintenance expense	$	5,484			$	5,994

Goodwill_and_Intangible_Assets1

Goodwill and Intangible Assets (Tables)	3 Months Ended
	Oct. 25, 2014
Goodwill and Intangible Assets Disclosure [Abstract]	'
Schedule of Goodwill	'
	Goodwill and Intangible Assets
	Goodwill
	The Company's goodwill balance was $269.5 million and $269.1 million as of October 25, 2014 and July 26, 2014, respectively. The increase in goodwill during fiscal 2015 is a result of preliminary purchase price allocation adjustments associated with businesses acquired during the fourth quarter of fiscal 2014, including the final working capital adjustment. Changes in the carrying amount of goodwill for fiscal 2015 are as follows:
		Goodwill		Accumulated Impairment Losses			Total
		(Dollars in thousands)
	Balance as of July 26, 2014	$	464,855	$	(195,767	)	$	269,088
	Purchase price allocation adjustments	377		—			377
	Balance as of October 25, 2014	$	465,232	$	(195,767	)	$	269,465
Schedule of Intangible Assets	'
	The Company's intangible assets consist of the following:
		October 25,		July 26,
		2014		2014
		(Dollars in thousands)
	Carrying amount:
	Customer relationships	$	179,391	$	173,594
	Contract backlog	13,546		15,285
	Trade names	8,200		8,200
	UtiliQuest trade name	4,700		4,700
	Non-compete agreements	400		400
		206,237		202,179
	Accumulated amortization:
	Customer relationships	72,483		69,048
	Contract backlog	12,063		13,490
	Trade names	3,683		3,361
	Non-compete agreements	184		164
		88,413		86,063
	Net Intangible Assets	$	117,824	$	116,116
Future Amortization Expense	'
	Estimated total amortization expense for the remainder of fiscal 2015 and each of the five succeeding fiscal years and thereafter is as follows:
	Period		Amount
			(Dollars in thousands)
	Nine months ending July 25, 2015		$12,317
	2016		$15,782
	2017		$14,308
	2018		$12,148
	2019		$9,757
	2020		$8,842
	Thereafter		$39,970
	Total		$113,124

Other_Accrued_Liabilities_Tabl

Other Accrued Liabilities (Tables)	3 Months Ended
	Oct. 25, 2014
Payables and Accruals [Abstract]	'
Schedule of Other Accrued Liabilities	'
	Other accrued liabilities consist of the following:
		October 25,		July 26,
		2014		2014
		(Dollars in thousands)
	Accrued payroll and related taxes	$	19,421	$	18,429
	Accrued employee benefit and incentive plan costs	9,360		17,677
	Accrued construction costs	23,529		20,689
	Accrued interest and related bank fees	5,821		872
	Income taxes payable	13,369		5,223
	Other current liabilities	15,405		13,244
	Total other accrued liabilities	$	86,905	$	76,134

Debt_Tables

Debt (Tables)	3 Months Ended
	Oct. 25, 2014
Debt Disclosure [Abstract]	'
Outstanding Indebtedness	'
	The Company’s outstanding indebtedness consists of the following:
		October 25,			July 26,
		2014			2014
		(Dollars in thousands)
	Senior Credit Agreement - Revolving facility (matures December 2017)	$	75,000		$	63,000
	Senior Credit Agreement - Term Loan (matures December 2017)	111,719			114,063
	7.125% senior subordinated notes due 2021	277,500			277,500
	Long-term debt premium on 7.125% senior subordinated notes (amortizes to interest expense through January 2021)	3,140			3,238
		467,359			457,801
	Less: current portion	(11,719		)	(10,938		)
	Long-term debt	$	455,640		$	446,863

Other_Income_Net_Tables

Other Income, Net (Tables)	3 Months Ended
	Oct. 25, 2014
Other Income and Expenses [Abstract]	'
Schedule of Other Income, Net	'
	The components of other income, net, are as follows:
		For the Three Months Ended
		25-Oct-14		26-Oct-13
		(Dollars in thousands)
	Gain on sale of fixed assets	$	1,523	$	1,865
	Miscellaneous income, net	272		147
	Total other income, net	$	1,795	$	2,012

StockBased_Awards_Tables

Stock-Based Awards (Tables)	3 Months Ended
	Oct. 25, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'
Schedule of Stock-based Compensation Expense and Related Tax Benefit Recognized	'
	Stock-based compensation expense and the related tax benefit recognized related to stock options and restricted share units during the three months ended October 25, 2014 and October 26, 2013 are as follows:
		For the Three Months Ended
		25-Oct-14			26-Oct-13
		(Dollars in thousands)
	Stock-based compensation	$	3,890		$	3,506
	Tax benefit recognized in the statement of operations	$	1,464		$	1,299
Schedule of Share-based Compensation, Stock Options Award Activity	'
	Stock Options
	The following table summarizes stock option award activity during the three months ended October 25, 2014:
		Stock Options
		Shares		Weighted Average Exercise Price
	Outstanding as of July 26, 2014	2,044,893		$	18.68
	Granted	—		$	—
	Options exercised	(39,525	)	$	14.35
	Forfeited or canceled	(5,966	)	$	27.8
	Outstanding as of October 25, 2014	1,999,402		$	18.74
	Exercisable options as of October 25, 2014	1,531,775		$	18.89
Schedule of Share-based Compensation, RSU and Performance RSU Activity	'
	RSUs and Performance RSUs
	The following table summarizes RSU and Performance RSU activity during the three months ended October 25, 2014:
		Restricted Stock
		RSUs					Performance RSUs
		Share Units		Weighted Average Grant Price			Share Units		Weighted Average Grant Price
	Outstanding as of July 26, 2014	398,931		$	20.61		1,190,184		$	21.73
	Granted	984		$	28.44		68,418		$	28.84
	Share units vested	(984	)	$	28.44		(37,512	)	$	19.83
	Forfeited or canceled	(291	)	$	19.26		(323,687	)	$	19.79
	Outstanding as of October 25, 2014	398,640		$	20.61		897,403		$	23.05

Concentration_of_Credit_Risk_T

Concentration of Credit Risk (Tables)	3 Months Ended
	Oct. 25, 2014
Risks and Uncertainties [Abstract]	'
Schedule that Represents A Significant Portion of the Companybs Customer Base and Each Over 10% of Total Revenue	'
	The Company’s customer base is highly concentrated, with its top five customers in each period accounting for approximately 59.4% and 57.2% of its total revenues during the three months ended October 25, 2014 and October 26, 2013, respectively. Customers whose revenues exceeded 10% of total revenue during the three months ended October 25, 2014 or October 26, 2013 are as follows:
		For the Three Months Ended
		October 25, 2014		October 26, 2013
	AT&T Inc.	21.20%		17.50%
	CenturyLink, Inc.	13.10%		15.50%
	Comcast Corporation	12.80%		10.50%
Schedule of Customers Representing 10% or More of Combined Amounts of Trade Accounts Receivable and Costs and Estimated Earnings in Excess of Billings with the Following Outstanding Balances and Related Percentages of the Companybs Total Outstanding Balances	'
	Customers representing 10% or more of combined amounts of trade accounts receivable and costs and estimated earnings in excess of billings, net as of October 25, 2014 or July 26, 2014 had the following outstanding balances and the related percentage of the Company’s total outstanding balances:
		October 25, 2014					July 26, 2014
		Amount			% of Total		Amount		% of Total
					(Dollars in millions)
	AT&T Inc.	$	100.3		18.5	%	$	87.6	17.9	%
	CenturyLink, Inc.	$	58.2		10.8	%	$	48.2	9.8	%
	Comcast Corporation	$	57.1		10.6	%	$	48.9	9.9	%

Supplemental_Consolidating_Fin1

Supplemental Consolidating Financial Statements (Tables)	3 Months Ended
	Oct. 25, 2014
Condensed Financial Information of Parent Company Only Disclosure [Abstract]	'
Schedule of Condensed Balance Sheet	'
	DYCOM INDUSTRIES, INC. AND SUBSIDIARIES
	CONDENSED CONSOLIDATED BALANCE SHEET (UNAUDITED)
	OCTOBER 25, 2014
		Parent			Issuer			Subsidiary Guarantors			Non- Guarantor Subsidiaries			Eliminations and Reclassifications			Dycom Consolidated
		(Dollars in thousands)
	ASSETS
	CURRENT ASSETS:
	Cash and equivalents	$	—		$	—		$	15,801		$	658		$	—		$	16,459
	Accounts receivable, net	—			—			293,310			3,522			—			296,832
	Costs and estimated earnings in excess of billings	—			—			255,062			1,889			—			256,951
	Inventories	—			—			47,003			—			—			47,003
	Deferred tax assets, net	4,001			—			17,017			177			(173		)	21,022
	Other current assets	7,434			2			6,605			426			—			14,467
	Total current assets	11,435			2			634,798			6,672			(173		)	652,734
	PROPERTY AND EQUIPMENT, NET	17,743			—			170,707			17,689			—			206,139
	GOODWILL	—			—			269,465			—			—			269,465
	INTANGIBLE ASSETS, NET	—			—			117,226			598			—			117,824
	DEFERRED TAX ASSETS, NET NON-CURRENT	403			—			4,294			35			(4,732		)	—
	INVESTMENT IN SUBSIDIARIES	830,423			1,565,469			1,681			—			(2,397,573		)	—
	INTERCOMPANY RECEIVABLES	—			—			612,828			—			(612,828		)	—
	OTHER	7,967			5,465			2,420			143			—			15,995
	TOTAL NON-CURRENT ASSETS	856,536			1,570,934			1,178,621			18,465			(3,015,133		)	609,423
	TOTAL ASSETS	$	867,971		$	1,570,936		$	1,813,419		$	25,137		$	(3,015,306	)	$	1,262,157
	LIABILITIES AND STOCKHOLDERS' EQUITY
	CURRENT LIABILITIES:
	Accounts payable	$	1,159		$	—		$	63,901		$	1,362		$	—		$	66,422
	Current portion of debt	11,719			—			—			—			—			11,719
	Billings in excess of costs and estimated earnings	—			—			14,027			—			—			14,027
	Accrued insurance claims	565			—			32,900			60			—			33,525
	Deferred tax liabilities	—			80			64			29			(173		)	—
	Other accrued liabilities	20,437			5,492			58,909			2,067			—			86,905
	Total current liabilities	33,880			5,572			169,801			3,518			(173		)	212,598
	LONG-TERM DEBT	175,000			280,640			—			—			—			455,640
	ACCRUED INSURANCE CLAIMS	707			—			35,424			58			—			36,189
	DEFERRED TAX LIABILITIES, NET NON-CURRENT	—			432			46,865			453			(4,732		)	43,018
	INTERCOMPANY PAYABLES	145,716			453,869			—			13,243			(612,828		)	—
	OTHER LIABILITIES	3,167			—			2,039			5			—			5,211
	Total liabilities	358,470			740,513			254,129			17,277			(617,733		)	752,656
	Total stockholders' equity	509,501			830,423			1,559,290			7,860			(2,397,573		)	509,501
	TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	867,971		$	1,570,936		$	1,813,419		$	25,137		$	(3,015,306	)	$	1,262,157
	DYCOM INDUSTRIES, INC. AND SUBSIDIARIES
	CONDENSED CONSOLIDATED BALANCE SHEET
	26-Jul-14
		Parent			Issuer			Subsidiary Guarantors			Non- Guarantor Subsidiaries			Eliminations and Reclassifications			Dycom Consolidated
		(Dollars in thousands)
	ASSETS
	CURRENT ASSETS:
	Cash and equivalents	$	—		$	—		$	19,739		$	933		$	—		$	20,672
	Accounts receivable, net	—			—			269,760			2,981			—			272,741
	Costs and estimated earnings in excess of billings	—			—			228,541			2,028			—			230,569
	Inventories	—			—			49,095			—			—			49,095
	Deferred tax assets, net	3,822			—			16,193			87			(170		)	19,932
	Other current assets	4,956			16			7,237			518			—			12,727
	Total current assets	8,778			16			590,565			6,547			(170		)	605,736
	PROPERTY AND EQUIPMENT, NET	18,108			—			171,158			16,147			—			205,413
	GOODWILL	—			—			269,088			—			—			269,088
	INTANGIBLE ASSETS, NET	—			—			115,483			633			—			116,116
	DEFERRED TAX ASSETS, NET NON-CURRENT	182			—			3,884			15			(4,081		)	—
	INVESTMENT IN SUBSIDIARIES	809,617			1,540,338			1,621			—			(2,351,576		)	—
	INTERCOMPANY RECEIVABLES	—			—			628,443			—			(628,443		)	—
	OTHER	7,748			5,636			2,466			151			—			16,001
	TOTAL NON-CURRENT ASSETS	835,655			1,545,974			1,192,143			16,946			(2,984,100		)	606,618
	TOTAL ASSETS	$	844,433		$	1,545,990		$	1,782,708		$	23,493		$	(2,984,270	)	$	1,212,354
LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
Accounts payable	$	3,083		$	—		$	58,970		$	1,265		$	—		$	63,318
Current portion of debt	10,938			—			—			—			—			10,938
Billings in excess of costs and estimated earnings	—			—			13,882			—			—			13,882
Accrued insurance claims	612			—			31,599			49			—			32,260
Deferred tax liabilities	—			80			66			24			(170		)	—
Other accrued liabilities	12,668			566			61,284			1,616			—			76,134
Total current liabilities	27,301			646			165,801			2,954			(170		)	196,532
LONG-TERM DEBT	166,125			280,738			—			—			—			446,863
ACCRUED INSURANCE CLAIMS	778			—			32,959			45			—			33,782
DEFERRED TAX LIABILITIES, NET NON-CURRENT	—			432			48,593			417			(4,081		)	45,361
INTERCOMPANY PAYABLES	162,127			454,557			—			11,759			(628,443		)	—
OTHER LIABILITIES	3,168			—			1,711			3			—			4,882
Total liabilities	359,499			736,373			249,064			15,178			(632,694		)	727,420
Total stockholders' equity	484,934			809,617			1,533,644			8,315			(2,351,576		)	484,934
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$	844,433		$	1,545,990		$	1,782,708		$	23,493		$	(2,984,270	)	$	1,212,354
Schedule of Condensed Income Statement	'
	CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (UNAUDITED)
	FOR THE THREE MONTHS ENDED OCTOBER 25, 2014
	(Dollars in thousands)
		Parent			Issuer			Subsidiary Guarantors			Non- Guarantor Subsidiaries			Eliminations			Dycom Consolidated
	Contract revenues	$	—		$	—		$	505,689		$	4,700		$	—		$	510,389
	Costs of earned revenues, excluding depreciation and amortization	—			—			400,091			3,377			—			403,468
	General and administrative	12,833			100			28,168			3,595			—			44,696
	Depreciation and amortization	1,239			—			20,581			1,110			—			22,930
	Intercompany charges (income), net	(15,822		)	—			16,408			(586		)	—			—
	Interest expense, net	(1,750		)	(4,999		)	—			—			—			(6,749		)
	Other income, net	—			—			1,779			16			—			1,795
	INCOME (LOSS) BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF SUBSIDIARIES	—			(5,099		)	42,220			(2,780		)	—			34,341
	PROVISION (BENEFIT) FOR INCOME TAXES	—			(2,010		)	16,640			(1,096		)	—			13,534
	NET INCOME (LOSS) BEFORE EQUITY IN EARNINGS (LOSSES) OF SUBSIDIARIES	—			(3,089		)	25,580			(1,684		)	—			20,807
	EQUITY IN EARNINGS (LOSSES) OF SUBSIDIARIES	20,807			23,896			(139		)	—			(44,564		)	—
	NET INCOME (LOSS)	$	20,807		$	20,807		$	25,441		$	(1,684	)	$	(44,564	)	$	20,807
	Foreign currency translation loss, net of tax	(268		)	(268		)	—			(268		)	536			(268		)
	COMPREHENSIVE INCOME (LOSS)	$	20,539		$	20,539		$	25,441		$	(1,952	)	$	(44,028	)	$	20,539
	CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (UNAUDITED)
	FOR THE THREE MONTHS ENDED OCTOBER 26, 2013
	(Dollars in thousands)
		Parent			Issuer			Subsidiary Guarantors			Non-Guarantor Subsidiaries			Eliminations			Dycom Consolidated
	Contract revenues	$	—		$	—		$	509,430		$	3,290		$	—		$	512,720
	Costs of earned revenues, excluding depreciation and amortization	—			—			407,695			2,424			—			410,119
	General and administrative	11,237			226			28,945			2,667			—			43,075
	Depreciation and amortization	854			—			21,621			1,077			—			23,552
	Intercompany charges (income), net	(13,976		)	—			14,110			(134		)	—			—
	Interest expense, net	(1,888		)	(4,994		)	(4		)	—			—			(6,886		)
	Other income, net	3			—			1,945			64			—			2,012
	INCOME (LOSS) BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF SUBSIDIARIES	—			(5,220		)	39,000			(2,680		)	—			31,100
	PROVISION (BENEFIT) FOR INCOME TAXES	—			(2,087		)	15,600			(1,073		)	—			12,440
	NET INCOME (LOSS) BEFORE EQUITY IN EARNINGS OF SUBSIDIARIES	—			(3,133		)	23,400			(1,607		)	—			18,660
	EQUITY IN EARNINGS OF SUBSIDIARIES	18,660			21,793			—			—			(40,453		)	—
	NET INCOME (LOSS)	$	18,660		$	18,660		$	23,400		$	(1,607	)	$	(40,453	)	$	18,660
	Foreign currency translation loss, net of tax	(60		)	(60		)	—			(60		)	120			(60		)
	COMPREHENSIVE INCOME (LOSS)	$	18,600		$	18,600		$	23,400		$	(1,667	)	$	(40,333	)	$	18,600
Schedule of Condensed Cash Flow Statement	'
	CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED)
	FOR THE THREE MONTHS ENDED OCTOBER 25, 2014
	(Dollars in thousands)
		Parent			Issuer			Subsidiary Guarantor			Non- Guarantor Subsidiaries			Elim-inations			Dycom Consolidated
	Net cash provided by (used in) operating activities	$	(5,233	)	$	1,924		$	14,666		$	(452	)	$	—		$	10,905
	Cash flows from investing activities:
	Cash paid for acquisitions, net of cash acquired	—			—			(8,371		)	—			—			(8,371		)
	Capital expenditures	(1,597		)	—			(14,861		)	(1,570		)	—			(18,028		)
	Proceeds from sale of assets	—			—			1,698			—			—			1,698
	Return of capital from subsidiaries	—			891			—			—			(891		)	—
	Investment in subsidiaries	—			(2,125		)	(200		)	—			2,325			—
	Changes in restricted cash	(541		)	—			—			—			—			(541		)
	Net cash used in investing activities	(2,138		)	(1,234		)	(21,734		)	(1,570		)	1,434			(25,242		)
	Cash flows from financing activities:
	Borrowings on senior Credit Agreement	132,000			—			—			—			—			132,000
	Principal payments on senior Credit Agreement	(122,344		)	—			—			—			—			(122,344		)
	Exercise of stock options	567			—			—			—			—			567
	Restricted stock tax withholdings	(309		)	—			—			—			—			(309		)
	Excess tax benefit from share-based awards	210			—			—			—			—			210
	Intercompany funding	(2,753		)	(690		)	3,130			1,747			(1,434		)	—
	Net cash provided by (used in) financing activities	7,371			(690		)	3,130			1,747			(1,434		)	10,124
	Net decrease in cash and equivalents	—			—			(3,938		)	(275		)	—			(4,213		)
	CASH AT BEGINNING OF PERIOD	—			—			19,739			933			—			20,672
	CASH AND EQUIVALENTS AT END OF PERIOD	$	—		$	—		$	15,801		$	658		$	—		$	16,459
	CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED)
	FOR THE THREE MONTHS ENDED OCTOBER 26, 2013
	(Dollars in thousands)
		Parent			Issuer			Subsidiary Guarantor			Non- Guarantor Subsidiaries			Elim-inations			Dycom Consolidated
	Net cash (used in) provided by operating activities	$	(2,905	)	$	1,835		$	(17,351	)	$	(272	)	$	—		$	(18,693	)
	Cash flows from investing activities:
	Capital expenditures	(1,680		)	—			(27,042		)	(1,566		)	—			(30,288		)
	Proceeds from sale of assets	—			—			2,422			43			—			2,465
	Changes in restricted cash	(305		)	—			—			—			—			(305		)
	Net cash (used in) investing activities	(1,985		)	—			(24,620		)	(1,523		)	—			(28,128		)
	Cash flows from financing activities:
	Borrowings on senior Credit Agreement	164,000			—			—			—			—			164,000
	Principal payments on senior Credit Agreement	(131,563		)	—			—			—			—			(131,563		)
	Exercise of stock options	10,124			—			—			—			—			10,124
	Restricted stock tax withholdings	(609		)	—			—			—			—			(609		)
	Excess tax benefit from share-based awards	656			—			—			—			—			656
	Intercompany funding	(37,718		)	(1,835		)	37,436			2,117			—			—
	Net cash provided by (used in) financing activities	4,890			(1,835		)	37,436			2,117			—			42,608
	Net (decrease) increase in cash and equivalents	—			—			(4,535		)	322			—			(4,213		)
	CASH AT BEGINNING OF PERIOD	—			—			18,166			441			—			18,607
	CASH AND EQUIVALENTS AT END OF PERIOD	$	—		$	—		$	13,631		$	763		$	—		$	14,394

Basis_of_Presentation_and_Acco2

Basis of Presentation and Accounting Policies - Segment (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
	subsidiary
	segment
Segment Reporting Information [Line Items]	'	'
Number of reportable segments	1	'
Number of subsidiaries	2	'
Contract revenues	$510,389	$512,720
Canada	'	'
Segment Reporting Information [Line Items]	'	'
Contract revenues	$4,700	$3,300

Basis_of_Presentation_and_Acco3

Basis of Presentation and Accounting Policies (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014
In Millions, unless otherwise specified
Debt Instrument [Line Items]	'	'
Restricted cash	$4.50	$4
Senior Subordinated Notes | 7.125% Senior Subordinated Notes Due 2021	'	'
Debt Instrument [Line Items]	'	'
Debt, interest rate (in percent)	7.13%	7.13%

Computation_of_Earnings_Per_Co2

Computation of Earnings Per Common Share (Details) (USD $)	3 Months Ended
In Thousands, except Share data, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
Basic earnings per unit	'	'
Net income	$20,807	$18,660
Weighted-average number of common shares (in shares)	34,010,147	33,423,678
Basic earnings per common share (usd per share)	$0.61	$0.56
Diluted earnings per unit	'	'
Weighted-average number of common shares (in shares)	34,010,147	33,423,678
Potential common stock arising from stock options, and unvested restricted share units (in shares)	1,107,526	1,215,320
Total shares-diluted (in shares)	35,117,673	34,638,998
Diluted earnings per common share (usd per share)	$0.59	$0.54
Anti-dilutive weighted shares excluded from the calculation of earnings per share (in shares)	570,749	547,154

Acquisitions_Details

Acquisitions (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014	Oct. 25, 2014	Apr. 26, 2014	Jul. 26, 2014	Oct. 25, 2014
			Hewitt Power & Communications, Inc	Telecommunications Specialty Construction Contractor, Canada	Watts Brothers	Watts Brothers
Business Acquisition [Line Items]	'	'	'	'	'	'
Acquisition payments	'	'	$8,000,000	$700,000	$16,400,000	'
Finite-Lived Intangible Assets, Gross	'	'	5,800,000	'	'	'
Business Acquisition, Cost of Acquired Entity, Cash Paid For Working Capital	'	'	'	'	'	300,000
Goodwill	269,465,000	269,088,000	'	'	'	1,600,000
Finite-Lived Customer Relationships, Gross	'	'	'	'	'	8,500,000
Property, Plant and Equipment, Gross	$573,039,000	$558,710,000	'	'	'	$3,700,000

Accounts_Receivable_Details

Accounts Receivable (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Contract billings	$279,204,000	$258,254,000
Retainage and other receivables	18,458,000	15,323,000
Total	297,662,000	273,577,000
Less: allowance for doubtful accounts	-830,000	-836,000
Accounts receivable, net	296,832,000	272,741,000
Construction liens	17,700,000	'
Corporation	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total	$20,100,000	'

Costs_and_Estimated_Earnings_i2

Costs and Estimated Earnings in Excess of Billings (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014
In Thousands, unless otherwise specified
Contractors [Abstract]	'	'
Costs incurred on contracts in progress	$232,709	$234,766
Estimated to date earnings	61,859	57,335
Total costs and estimated earnings	294,568	292,101
Less: billings to date	-51,644	-75,414
Total costs in excess of billings	242,924	216,687
Costs and estimated earnings in excess of billings	256,951	230,569
Billings in excess of costs and estimated earnings	-14,027	-13,882
Total costs in excess of billings	$242,924	$216,687

Property_and_Equipment_Details

Property and Equipment (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013	Jul. 26, 2014
Property, Plant and Equipment [Line Items]	'	'	'
Property, plant and equipment, gross	$573,039	'	$558,710
Less: accumulated depreciation	-366,900	'	-353,297
Property and equipment, net	206,139	'	205,413
Depreciation and repairs and maintenance expenses [Abstract]	'	'	'
Depreciation expense	18,841	18,401	'
Repairs and maintenance expense	5,484	5,994	'
Land	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, plant and equipment, gross	3,408	'	3,408
Buildings	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, plant and equipment, gross	11,598	'	11,589
Leasehold Improvements	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, plant and equipment, gross	5,602	'	5,335
Vehicles	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, plant and equipment, gross	286,831	'	279,631
Computer hardware and software	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, plant and equipment, gross	77,004	'	73,349
Office furniture and equipment	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, plant and equipment, gross	7,873	'	7,790
Equipment and machinery	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Property, plant and equipment, gross	$180,723	'	$177,608
Maximum | Buildings	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'35 years	'	'
Maximum | Leasehold Improvements	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'10 years	'	'
Maximum | Vehicles	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'5 years	'	'
Maximum | Computer hardware and software	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'10 years	'	'
Maximum | Office furniture and equipment	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'7 years	'	'
Maximum | Equipment and machinery	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'10 years	'	'
Minimum | Buildings	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'10 years	'	'
Minimum | Leasehold Improvements	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'1 year	'	'
Minimum | Vehicles	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'1 year	'	'
Minimum | Computer hardware and software	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'3 years	'	'
Minimum | Office furniture and equipment	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'2 years	'	'
Minimum | Equipment and machinery	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
General useful life	'1 year	'	'

Goodwill_and_Intangible_Assets2

Goodwill and Intangible Assets (Details) (USD $)	3 Months Ended			12 Months Ended
	Oct. 25, 2014	Oct. 26, 2013	Jul. 26, 2014	Jul. 26, 2014	Jul. 26, 2014	Jul. 26, 2014	Jul. 26, 2014	Jul. 26, 2014	Jul. 26, 2014	Jul. 26, 2014	Oct. 25, 2014
				Goodwill	Minimum	Maximum	Businesses Acquired in Fiscal 2013	First Reporting Unit Acquired in Fiscal 2013	Second Reporting Unit Acquired in Fiscal 2013	Third Reporting Unit Acquired in Fiscal 2013	Hewitt Power & Communications, Inc
					Goodwill	Goodwill	reporting_unit
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Goodwill	$269,465,000	'	$269,088,000	'	'	'	'	$10,600,000	$4,800,000	$3,600,000	'
Reporting units as a percent of consolidated goodwill balance	'	'	'	20.00%	'	'	'	'	'	'	'
Discount rate	'	'	'	11.50%	'	'	'	'	'	'	'
Terminal growth rate range	'	'	'	'	1.50%	3.00%	'	'	'	'	'
Fair value assumptions, expected term	'	'	'	'7 years	'	'	'	'	'	'	'
Number of Reporting Units that Exceeded Carrying Value	'	'	'	'	'	'	3	'	'	'	'
Excess carrying value, percent	'	'	'	'	'	'	25.00%	'	'	'	'
Carrying amount	'	'	'	'	'	'	'	'	'	'	5,800,000
Amortization expense for finite-lived intangible assets	$4,100,000	$5,200,000	'	'	'	'	'	'	'	'	'

Goodwill_and_Intangible_Assets3

Goodwill and Intangible Assets - Changes in the Carrying Amount of Goodwill (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Oct. 25, 2014	Jul. 26, 2014
Goodwill [Roll Forward]	'	'
Goodwill, gross, beginning balance	$464,855	'
Goodwill acquisitions	377	'
Goodwill, gross, ending balance	465,232	'
Accumulated impairment losses	-195,767	-195,767
Goodwill	$269,465	$269,088

Goodwill_and_Intangible_Assets4

Goodwill and Intangible Assets - Intangible Assets (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014
In Thousands, unless otherwise specified
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]	'	'
Intangible Assets Gross Excluding Goodwill	$206,237	$202,179
Accumulated amortization	88,413	86,063
Net Intangible Assets	117,824	116,116
Customer Relationships	'	'
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]	'	'
Carrying amount	179,391	173,594
Accumulated amortization	72,483	69,048
Backlog	'	'
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]	'	'
Carrying amount	13,546	15,285
Accumulated amortization	12,063	13,490
Trade Names	'	'
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]	'	'
Carrying amount	8,200	8,200
Accumulated amortization	3,683	3,361
Noncompete Agreements	'	'
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]	'	'
Carrying amount	400	400
Accumulated amortization	184	164
UtiliQuest	'	'
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]	'	'
Indefinite-lived intangible assets	$4,700	$4,700

Goodwill_and_Intangible_Assets5

Goodwill and Intangible Assets - Future Amortization Expense (Details) (USD $)	Oct. 25, 2014
In Thousands, unless otherwise specified
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]	'
Nine months ending July 25, 2015	$12,317
2016	15,782
2017	14,308
2018	12,148
2019	9,757
2020	8,842
Thereafter	39,970
Total	$113,124

Accrued_Insurance_Claims_Detai

Accrued Insurance Claims (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014	Oct. 25, 2014	Jul. 25, 2015
			Maximum	Scenario, Forecast
Accrued Insurance Claims [Line Items]	'	'	'	'
Retained risk of loss, general liability and workers' compensation, maximum automobile liability	'	'	$1,000,000	'
Aggregate stop loss coverage for automobile liability, general liability, and workers' compensation claims before adjustment	'	'	'	59,500,000
Insurance liability, annual retained risk loss	250,000	'	'	'
Retained risk of loss per participant for employee health plan for claim amounts that aggregate across all participants in excess of $250,000	550,000	'	'	'
Health plan participant threshold	250,000	'	'	'
Amounts expected to be paid beyond one year:	'	'	'	'
Accrued Insurance	69,700,000	66,000,000	'	'
Accrued insurance claims, Noncurrent	$36,189,000	$33,782,000	'	'

Other_Accrued_Liabilities_Deta

Other Accrued Liabilities (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014
In Thousands, unless otherwise specified
Payables and Accruals [Abstract]	'	'
Accrued payroll and related taxes	$19,421	$18,429
Accrued employee benefit and incentive plan costs	9,360	17,677
Accrued construction costs	23,529	20,689
Accrued interest and related bank fees	5,821	872
Income taxes payable	13,369	5,223
Other current liabilities	15,405	13,244
Total other accrued liabilities	$86,905	$76,134

Debt_Details

Debt (Details) (USD $)	3 Months Ended	12 Months Ended
	Oct. 25, 2014	Jul. 26, 2014
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	$467,359,000	$457,801,000
Debt premium	3,100,000	3,200,000
Senior Subordinated Notes | 7.125% Senior Subordinated Notes Due 2021	'	'
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	277,500,000	277,500,000
Debt, interest rate (in percent)	7.13%	7.13%
Debt premium	3,140,000	3,238,000
Long-term debt, fair value	290,700,000	297,600,000
Senior Loans | Credit Agreement, December 3, 2012, Maturing December 2017	'	'
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	111,719,000	114,063,000
Revolving Credit Facility	'	'
Credit facility amount	125,000,000	'
Debt Instrument, Interest Rate at Period End	2.15%	2.15%
Revolving Credit Facility | Credit Agreement, December 3, 2012, Maturing December 2017	'	'
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	75,000,000	63,000,000
Revolving Credit Facility	'	'
Line of credit current borrowing capacity	275,000,000	'
Debt Instrument, Interest Rate at Period End	2.27%	2.55%
Unutilized commitment fee (in percent)	0.35%	0.35%
Additional borrowing availability	145,700,000	162,600,000
Revolving Credit Facility | Credit Agreement, December 3, 2012, Maturing December 2017 | Standby Letters of Credit	'	'
Revolving Credit Facility	'	'
Line of credit current borrowing capacity	150,000,000	'
Letters of credit outstanding amount	54,300,000	49,400,000
Unutilized commitment fee (in percent)	2.00%	2.00%
Debt Premium | 7.125% Senior Subordinated Notes Due 2021	'	'
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	$280,600,000	$280,700,000

Debt_Outstanding_Details

Debt - Outstanding (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014
In Thousands, unless otherwise specified
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	$467,359	$457,801
Debt premium	3,100	3,200
Less: current portion	-11,719	-10,938
Long-term debt	455,640	446,863
Revolving Credit Facility | Credit Agreement, December 3, 2012, Maturing December 2017	'	'
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	75,000	63,000
Senior Loans | Credit Agreement, December 3, 2012, Maturing December 2017	'	'
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	111,719	114,063
Senior Subordinated Notes | 7.125% Senior Subordinated Notes Due 2021	'	'
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	277,500	277,500
Debt premium	$3,140	$3,238
Debt, interest rate (in percent)	7.13%	7.13%

Income_Taxes_Details

Income Taxes (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014
Income Tax Disclosure [Abstract]	'	'
Income taxes receivable	$100,000	$2,200,000
Income taxes payable	13,369,000	5,223,000
Unrecognized tax benefit	2,400,000	2,400,000
Payment of interest and penalties accrued	$800,000	$800,000

Other_Income_Net_Details

Other Income, Net (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
Other Income and Expenses [Abstract]	'	'
Gain on sale of fixed assets	$1,523	$1,865
Miscellaneous income, net	272	147
Total other income, net	$1,795	$2,012

Capital_Stock_Details

Capital Stock (Details) (USD $)	3 Months Ended		12 Months Ended
In Millions, except Share data, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013	Jul. 26, 2014	Oct. 25, 2014	Aug. 27, 2013
				Common Stock	Common Stock
Class of Stock [Line Items]	'	'	'	'	'
Number of Shares Repurchased	'	'	360,900	'	'
Average Price Per Share (in dollars per share)	'	'	$27.71	'	'
Total Consideration (Dollars in thousands)	'	'	$10	'	'
Remaining authorized repurchase amount	'	'	'	30	'
Common stock authorized repurchase amount	'	'	'	'	40
Shares Paid for Tax Withholding for Share Based Compensation	10,931	19,468	'	'	'
Value of Shares Paid for Tax Withholding for Share Based Compensation	$0.30	$0.60	'	'	'

StockBased_Awards_Details

Stock-Based Awards (Details) (USD $)	3 Months Ended	12 Months Ended
In Millions, except Share data, unless otherwise specified	Oct. 25, 2014	Jul. 26, 2014
Stock Options	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'
Unrecognized compensation expense related to stock options	$2.70	'
Total compensation cost not yet recognized, period for recognition	'2 years 2 months 12 days	'
Restricted Share Units (RSUs)	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'
Unrecognized compensation expense related to stock options	5.8	'
Total compensation cost not yet recognized, period for recognition	'2 years 4 months 24 days	'
Granted	984	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	398,640	398,931
Performance Restricted Share Units	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'
Unrecognized compensation expense related to stock options	9.7	'
Total compensation cost not yet recognized, period for recognition	'1 year 6 months	'
Compensation expense	$4.50	'
RSUs outstanding	34,209	'
Granted	68,418	'
Forfeited or cancelled	'	312,163
Share-based Compensation by Share-based Payment Award, Equity Awards Other than Options, Target Shares Expected to be Canceled	'	48,313
Share-based Compensation by Share-based Payment Award, Equity Awards Other than Options, Supplemental Shares Expected to be Canceled	'	263,850
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	897,403	1,190,184
Supplemental Shares | Performance Restricted Share Units	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'
Granted	34,209	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	207,061	'
Target Shares | Performance Restricted Share Units	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	690,342	'

StockBased_Awards_Tax_Benefit_

Stock-Based Awards - Tax Benefit Recognized (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'	'
Stock-based compensation	$3,890	$3,506
Tax benefit recognized in the statement of operations	$1,464	$1,299

StockBased_Awards_Stock_Option

Stock-Based Awards - Stock Options (Details) (Stock Options, USD $)	3 Months Ended
	Oct. 25, 2014
Stock Options	'
Stock Options, Outstanding [Roll Forward]	'
Outstanding beginning period	2,044,893
Granted	0
Options Exercised	-39,525
Forfeited or canceled	-5,966
Outstanding ending period	1,999,402
Exercisable options beginning period	1,531,775
Stock Options, Outstanding, Weighted Average Exercise Price [Roll Forward]	'
Outstanding beginning period	$18.68
Granted	$0
Options Exercised	$14.35
Forfeited or canceled	$27.80
Outstanding ending period	$18.74
Exercisable options beginning period	$18.89

StockBased_Awards_StockBased_A

Stock-Based Awards Stock-Based Awards - RSU's and Performance RSU's (Details) (USD $)	3 Months Ended
	Oct. 25, 2014
Restricted Share Units (RSUs)	'
Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding [Roll Forward]	'
Outstanding beginning period	398,931
Granted	984
Share Units Vested	-984
Forfeited or cancelled	-291
Outstanding ending period	398,640
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value [Roll Forward]	'
Outstanding beginning period	$20.61
Granted	$28.44
Share Units Vested	$28.44
Forfeited or cancelled	$19.26
Outstanding ending period	$20.61
Performance Restricted Share Units	'
Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding [Roll Forward]	'
Outstanding beginning period	1,190,184
Granted	68,418
Share Units Vested	-37,512
Forfeited or cancelled	-323,687
Outstanding ending period	897,403
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value [Roll Forward]	'
Outstanding beginning period	$21.73
Granted	$28.84
Share Units Vested	$19.83
Forfeited or cancelled	$19.79
Outstanding ending period	$23.05

Related_Party_Transactions_Det

Related Party Transactions (Details) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
Related Party Transactions [Abstract]	'	'
Total expense under lease agreements	$0.40	$0.60
Related party subcontractor expense	$0.50	$0.70

Concentration_of_Credit_Risk_D

Concentration of Credit Risk (Details) (USD $)

Oct. 25, 2014

Oct. 25, 2014

Oct. 26, 2013

Oct. 25, 2014

Oct. 26, 2013

Oct. 25, 2014

Oct. 26, 2013

Oct. 25, 2014

Oct. 26, 2013

Oct. 25, 2014

Jul. 26, 2014

Oct. 25, 2014

Jul. 26, 2014

Oct. 25, 2014

Jul. 26, 2014

In Millions, unless otherwise specified

Customers

Customer Concentration Risk

Customer Concentration Risk

Sales Revenue, Services, Net

Sales Revenue, Services, Net

Sales Revenue, Services, Net

Sales Revenue, Services, Net

Sales Revenue, Services, Net

Sales Revenue, Services, Net

Trade Accounts Receivable and Costs and Estimated Earnings

Trade Accounts Receivable and Costs and Estimated Earnings

Trade Accounts Receivable and Costs and Estimated Earnings

Trade Accounts Receivable and Costs and Estimated Earnings

Trade Accounts Receivable and Costs and Estimated Earnings

Trade Accounts Receivable and Costs and Estimated Earnings

Five Unnamed Customers

Five Unnamed Customers

Customer Concentration Risk

Customer Concentration Risk

Customer Concentration Risk

Customer Concentration Risk

Customer Concentration Risk

Customer Concentration Risk

Customer Concentration Risk

Customer Concentration Risk

Customer Concentration Risk

Customer Concentration Risk

Customer Concentration Risk

Customer Concentration Risk

AT&T

AT&T

CenturyLink

CenturyLink

Comcast

Comcast

AT&T

AT&T

CenturyLink

CenturyLink

Comcast

Comcast

Concentration Risk [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Number of customers classified as highly concentrated

5

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Concentration risk percentage

'

59.40%

57.20%

21.20%

17.50%

13.10%

15.50%

12.80%

10.50%

18.50%

17.90%

10.80%

9.80%

10.60%

9.90%

Accounts receivable, costs, and estimated earnings in excess of billings

'

'

'

'

'

'

'

'

'

$100.30

$87.60

$58.20

$48.20

$57.10

$48.90

Commitments_and_Contingencies_

Commitments and Contingencies (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014
In Millions, unless otherwise specified
Loss Contingencies [Line Items]	'	'
Construction liens	$17.70	'
Credit Agreement, December 3, 2012, Maturing December 2017 | Revolving Credit Facility | Standby Letters of Credit	'	'
Loss Contingencies [Line Items]	'	'
Letters of credit outstanding amount	54.3	49.4
Performance Guarantee and Surety Bond	'	'
Loss Contingencies [Line Items]	'	'
Outstanding performance and other surety contract bonds	443.9	446.8
Other Accrued Liabilities	'	'
Loss Contingencies [Line Items]	'	'
Settlement liability	$0.60	'

Supplemental_Consolidating_Fin2

Supplemental Consolidating Financial Statements (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014
In Thousands, unless otherwise specified
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	$467,359	$457,801
7.125% Senior Subordinated Notes Due 2021 | Senior Subordinated Notes	'	'
Debt Instrument [Line Items]	'	'
Debt and capital lease obligations	$277,500	$277,500

Supplemental_Consolidating_Fin3

Supplemental Consolidating Financial Statements - Balance Sheet (Details) (USD $)	Oct. 25, 2014	Jul. 26, 2014	Oct. 26, 2013	Jul. 27, 2013
In Thousands, unless otherwise specified
CURRENT ASSETS:	'	'	'	'
Cash and equivalents	$16,459	$20,672	$14,394	$18,607
Accounts receivable, net	296,832	272,741	'	'
Costs and estimated earnings in excess of billings	256,951	230,569	'	'
Inventories	47,003	49,095	'	'
Deferred tax assets, net	21,022	19,932	'	'
Other current assets	14,467	12,727	'	'
Total current assets	652,734	605,736	'	'
PROPERTY AND EQUIPMENT, NET	206,139	205,413	'	'
GOODWILL	269,465	269,088	'	'
INTANGIBLE ASSETS, NET	117,824	116,116	'	'
DEFERRED TAX ASSETS, NET NON-CURRENT	0	0	'	'
INVESTMENT IN SUBSIDIARIES	0	0	'	'
INTERCOMPANY RECEIVABLES	0	0	'	'
OTHER	15,995	16,001	'	'
TOTAL NON-CURRENT ASSETS	609,423	606,618	'	'
TOTAL ASSETS	1,262,157	1,212,354	'	'
CURRENT LIABILITIES:	'	'	'	'
Accounts payable	66,422	63,318	'	'
Current portion of debt	11,719	10,938	'	'
Billings in excess of costs and estimated earnings	14,027	13,882	'	'
Accrued insurance claims	33,525	32,260	'	'
Deferred tax liabilities	0	0	'	'
Other accrued liabilities	86,905	76,134	'	'
Total current liabilities	212,598	196,532	'	'
Long-term debt	455,640	446,863	'	'
ACCRUED INSURANCE CLAIMS	36,189	33,782	'	'
DEFERRED TAX LIABILITIES, NET NON-CURRENT	43,018	45,361	'	'
INTERCOMPANY PAYABLES	0	0	'	'
OTHER LIABILITIES	5,211	4,882	'	'
Total liabilities	752,656	727,420	'	'
Total stockholders' equity	509,501	484,934	'	'
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,262,157	1,212,354	'	'
Parent	'	'	'	'
CURRENT ASSETS:	'	'	'	'
Cash and equivalents	0	0	0	0
Accounts receivable, net	0	0	'	'
Costs and estimated earnings in excess of billings	0	0	'	'
Inventories	0	0	'	'
Deferred tax assets, net	4,001	3,822	'	'
Other current assets	7,434	4,956	'	'
Total current assets	11,435	8,778	'	'
PROPERTY AND EQUIPMENT, NET	17,743	18,108	'	'
GOODWILL	0	0	'	'
INTANGIBLE ASSETS, NET	0	0	'	'
DEFERRED TAX ASSETS, NET NON-CURRENT	403	182	'	'
INVESTMENT IN SUBSIDIARIES	830,423	809,617	'	'
INTERCOMPANY RECEIVABLES	0	0	'	'
OTHER	7,967	7,748	'	'
TOTAL NON-CURRENT ASSETS	856,536	835,655	'	'
TOTAL ASSETS	867,971	844,433	'	'
CURRENT LIABILITIES:	'	'	'	'
Accounts payable	1,159	3,083	'	'
Current portion of debt	11,719	10,938	'	'
Billings in excess of costs and estimated earnings	0	0	'	'
Accrued insurance claims	565	612	'	'
Deferred tax liabilities	0	0	'	'
Other accrued liabilities	20,437	12,668	'	'
Total current liabilities	33,880	27,301	'	'
Long-term debt	175,000	166,125	'	'
ACCRUED INSURANCE CLAIMS	707	778	'	'
DEFERRED TAX LIABILITIES, NET NON-CURRENT	0	0	'	'
INTERCOMPANY PAYABLES	145,716	162,127	'	'
OTHER LIABILITIES	3,167	3,168	'	'
Total liabilities	358,470	359,499	'	'
Total stockholders' equity	509,501	484,934	'	'
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	867,971	844,433	'	'
Issuer	'	'	'	'
CURRENT ASSETS:	'	'	'	'
Cash and equivalents	0	0	0	0
Accounts receivable, net	0	0	'	'
Costs and estimated earnings in excess of billings	0	0	'	'
Inventories	0	0	'	'
Deferred tax assets, net	0	0	'	'
Other current assets	2	16	'	'
Total current assets	2	16	'	'
PROPERTY AND EQUIPMENT, NET	0	0	'	'
GOODWILL	0	0	'	'
INTANGIBLE ASSETS, NET	0	0	'	'
DEFERRED TAX ASSETS, NET NON-CURRENT	0	0	'	'
INVESTMENT IN SUBSIDIARIES	1,565,469	1,540,338	'	'
INTERCOMPANY RECEIVABLES	0	0	'	'
OTHER	5,465	5,636	'	'
TOTAL NON-CURRENT ASSETS	1,570,934	1,545,974	'	'
TOTAL ASSETS	1,570,936	1,545,990	'	'
CURRENT LIABILITIES:	'	'	'	'
Accounts payable	0	0	'	'
Current portion of debt	0	0	'	'
Billings in excess of costs and estimated earnings	0	0	'	'
Accrued insurance claims	0	0	'	'
Deferred tax liabilities	80	80	'	'
Other accrued liabilities	5,492	566	'	'
Total current liabilities	5,572	646	'	'
Long-term debt	280,640	280,738	'	'
ACCRUED INSURANCE CLAIMS	0	0	'	'
DEFERRED TAX LIABILITIES, NET NON-CURRENT	432	432	'	'
INTERCOMPANY PAYABLES	453,869	454,557	'	'
OTHER LIABILITIES	0	0	'	'
Total liabilities	740,513	736,373	'	'
Total stockholders' equity	830,423	809,617	'	'
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,570,936	1,545,990	'	'
Subsidiary Guarantors	'	'	'	'
CURRENT ASSETS:	'	'	'	'
Cash and equivalents	15,801	19,739	13,631	18,166
Accounts receivable, net	293,310	269,760	'	'
Costs and estimated earnings in excess of billings	255,062	228,541	'	'
Inventories	47,003	49,095	'	'
Deferred tax assets, net	17,017	16,193	'	'
Other current assets	6,605	7,237	'	'
Total current assets	634,798	590,565	'	'
PROPERTY AND EQUIPMENT, NET	170,707	171,158	'	'
GOODWILL	269,465	269,088	'	'
INTANGIBLE ASSETS, NET	117,226	115,483	'	'
DEFERRED TAX ASSETS, NET NON-CURRENT	4,294	3,884	'	'
INVESTMENT IN SUBSIDIARIES	1,681	1,621	'	'
INTERCOMPANY RECEIVABLES	612,828	628,443	'	'
OTHER	2,420	2,466	'	'
TOTAL NON-CURRENT ASSETS	1,178,621	1,192,143	'	'
TOTAL ASSETS	1,813,419	1,782,708	'	'
CURRENT LIABILITIES:	'	'	'	'
Accounts payable	63,901	58,970	'	'
Current portion of debt	0	0	'	'
Billings in excess of costs and estimated earnings	14,027	13,882	'	'
Accrued insurance claims	32,900	31,599	'	'
Deferred tax liabilities	64	66	'	'
Other accrued liabilities	58,909	61,284	'	'
Total current liabilities	169,801	165,801	'	'
Long-term debt	0	0	'	'
ACCRUED INSURANCE CLAIMS	35,424	32,959	'	'
DEFERRED TAX LIABILITIES, NET NON-CURRENT	46,865	48,593	'	'
INTERCOMPANY PAYABLES	0	0	'	'
OTHER LIABILITIES	2,039	1,711	'	'
Total liabilities	254,129	249,064	'	'
Total stockholders' equity	1,559,290	1,533,644	'	'
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,813,419	1,782,708	'	'
Non-Guarantor Subsidiaries	'	'	'	'
CURRENT ASSETS:	'	'	'	'
Cash and equivalents	658	933	763	441
Accounts receivable, net	3,522	2,981	'	'
Costs and estimated earnings in excess of billings	1,889	2,028	'	'
Inventories	0	0	'	'
Deferred tax assets, net	177	87	'	'
Other current assets	426	518	'	'
Total current assets	6,672	6,547	'	'
PROPERTY AND EQUIPMENT, NET	17,689	16,147	'	'
GOODWILL	0	0	'	'
INTANGIBLE ASSETS, NET	598	633	'	'
DEFERRED TAX ASSETS, NET NON-CURRENT	35	15	'	'
INVESTMENT IN SUBSIDIARIES	0	0	'	'
INTERCOMPANY RECEIVABLES	0	0	'	'
OTHER	143	151	'	'
TOTAL NON-CURRENT ASSETS	18,465	16,946	'	'
TOTAL ASSETS	25,137	23,493	'	'
CURRENT LIABILITIES:	'	'	'	'
Accounts payable	1,362	1,265	'	'
Current portion of debt	0	0	'	'
Billings in excess of costs and estimated earnings	0	0	'	'
Accrued insurance claims	60	49	'	'
Deferred tax liabilities	29	24	'	'
Other accrued liabilities	2,067	1,616	'	'
Total current liabilities	3,518	2,954	'	'
Long-term debt	0	0	'	'
ACCRUED INSURANCE CLAIMS	58	45	'	'
DEFERRED TAX LIABILITIES, NET NON-CURRENT	453	417	'	'
INTERCOMPANY PAYABLES	13,243	11,759	'	'
OTHER LIABILITIES	5	3	'	'
Total liabilities	17,277	15,178	'	'
Total stockholders' equity	7,860	8,315	'	'
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	25,137	23,493	'	'
Eliminations and Reclassifications	'	'	'	'
CURRENT ASSETS:	'	'	'	'
Cash and equivalents	0	0	0	0
Accounts receivable, net	0	0	'	'
Costs and estimated earnings in excess of billings	0	0	'	'
Inventories	0	0	'	'
Deferred tax assets, net	-173	-170	'	'
Other current assets	0	0	'	'
Total current assets	-173	-170	'	'
PROPERTY AND EQUIPMENT, NET	0	0	'	'
GOODWILL	0	0	'	'
INTANGIBLE ASSETS, NET	0	0	'	'
DEFERRED TAX ASSETS, NET NON-CURRENT	-4,732	-4,081	'	'
INVESTMENT IN SUBSIDIARIES	-2,397,573	-2,351,576	'	'
INTERCOMPANY RECEIVABLES	-612,828	-628,443	'	'
OTHER	0	0	'	'
TOTAL NON-CURRENT ASSETS	-3,015,133	-2,984,100	'	'
TOTAL ASSETS	-3,015,306	-2,984,270	'	'
CURRENT LIABILITIES:	'	'	'	'
Accounts payable	0	0	'	'
Current portion of debt	0	0	'	'
Billings in excess of costs and estimated earnings	0	0	'	'
Accrued insurance claims	0	0	'	'
Deferred tax liabilities	-173	-170	'	'
Other accrued liabilities	0	0	'	'
Total current liabilities	-173	-170	'	'
Long-term debt	0	0	'	'
ACCRUED INSURANCE CLAIMS	0	0	'	'
DEFERRED TAX LIABILITIES, NET NON-CURRENT	-4,732	-4,081	'	'
INTERCOMPANY PAYABLES	-612,828	-628,443	'	'
OTHER LIABILITIES	0	0	'	'
Total liabilities	-617,733	-632,694	'	'
Total stockholders' equity	-2,397,573	-2,351,576	'	'
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	($3,015,306)	($2,984,270)	'	'

Supplemental_Consolidating_Fin4

Supplemental Consolidating Financial Statements - Income Statement (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
Revenues [Abstract]	'	'
Contract revenues	$510,389	$512,720
EXPENSES:	'	'
Costs of earned revenues, excluding depreciation and amortization	403,468	410,119
General and administrative	44,696	43,075
Depreciation and amortization	22,930	23,552
Intercompany charges (income), net	0	0
Interest income (expense), net	-6,749	-6,886
Other income, net	1,795	2,012
INCOME BEFORE INCOME TAXES	34,341	31,100
PROVISION (BENEFIT) FOR INCOME TAXES	13,534	12,440
Net income (loss) before equity in earnings of subsidiaries	20,807	18,660
EQUITY IN EARNINGS (LOSSES) OF SUBSIDIARIES	0	0
NET INCOME	20,807	18,660
Foreign currency translation loss, net of tax	-268	-60
COMPREHENSIVE INCOME (LOSS)	20,539	18,600
Parent	'	'
Revenues [Abstract]	'	'
Contract revenues	0	0
EXPENSES:	'	'
Costs of earned revenues, excluding depreciation and amortization	0	0
General and administrative	12,833	11,237
Depreciation and amortization	1,239	854
Intercompany charges (income), net	-15,822	-13,976
Interest income (expense), net	-1,750	-1,888
Other income, net	0	3
INCOME BEFORE INCOME TAXES	0	0
PROVISION (BENEFIT) FOR INCOME TAXES	0	0
Net income (loss) before equity in earnings of subsidiaries	0	0
EQUITY IN EARNINGS (LOSSES) OF SUBSIDIARIES	20,807	18,660
NET INCOME	20,807	18,660
Foreign currency translation loss, net of tax	-268	-60
COMPREHENSIVE INCOME (LOSS)	20,539	18,600
Issuer	'	'
Revenues [Abstract]	'	'
Contract revenues	0	0
EXPENSES:	'	'
Costs of earned revenues, excluding depreciation and amortization	0	0
General and administrative	100	226
Depreciation and amortization	0	0
Intercompany charges (income), net	0	0
Interest income (expense), net	-4,999	-4,994
Other income, net	0	0
INCOME BEFORE INCOME TAXES	-5,099	-5,220
PROVISION (BENEFIT) FOR INCOME TAXES	-2,010	-2,087
Net income (loss) before equity in earnings of subsidiaries	-3,089	-3,133
EQUITY IN EARNINGS (LOSSES) OF SUBSIDIARIES	23,896	21,793
NET INCOME	20,807	18,660
Foreign currency translation loss, net of tax	-268	-60
COMPREHENSIVE INCOME (LOSS)	20,539	18,600
Subsidiary Guarantors	'	'
Revenues [Abstract]	'	'
Contract revenues	505,689	509,430
EXPENSES:	'	'
Costs of earned revenues, excluding depreciation and amortization	400,091	407,695
General and administrative	28,168	28,945
Depreciation and amortization	20,581	21,621
Intercompany charges (income), net	16,408	14,110
Interest income (expense), net	0	-4
Other income, net	1,779	1,945
INCOME BEFORE INCOME TAXES	42,220	39,000
PROVISION (BENEFIT) FOR INCOME TAXES	16,640	15,600
Net income (loss) before equity in earnings of subsidiaries	25,580	23,400
EQUITY IN EARNINGS (LOSSES) OF SUBSIDIARIES	-139	0
NET INCOME	25,441	23,400
Foreign currency translation loss, net of tax	0	0
COMPREHENSIVE INCOME (LOSS)	25,441	23,400
Non-Guarantor Subsidiaries	'	'
Revenues [Abstract]	'	'
Contract revenues	4,700	3,290
EXPENSES:	'	'
Costs of earned revenues, excluding depreciation and amortization	3,377	2,424
General and administrative	3,595	2,667
Depreciation and amortization	1,110	1,077
Intercompany charges (income), net	-586	-134
Interest income (expense), net	0	0
Other income, net	16	64
INCOME BEFORE INCOME TAXES	-2,780	-2,680
PROVISION (BENEFIT) FOR INCOME TAXES	-1,096	-1,073
Net income (loss) before equity in earnings of subsidiaries	-1,684	-1,607
EQUITY IN EARNINGS (LOSSES) OF SUBSIDIARIES	0	0
NET INCOME	-1,684	-1,607
Foreign currency translation loss, net of tax	-268	-60
COMPREHENSIVE INCOME (LOSS)	-1,952	-1,667
Eliminations and Reclassifications	'	'
Revenues [Abstract]	'	'
Contract revenues	0	0
EXPENSES:	'	'
Costs of earned revenues, excluding depreciation and amortization	0	0
General and administrative	0	0
Depreciation and amortization	0	0
Intercompany charges (income), net	0	0
Interest income (expense), net	0	0
Other income, net	0	0
INCOME BEFORE INCOME TAXES	0	0
PROVISION (BENEFIT) FOR INCOME TAXES	0	0
Net income (loss) before equity in earnings of subsidiaries	0	0
EQUITY IN EARNINGS (LOSSES) OF SUBSIDIARIES	-44,564	-40,453
NET INCOME	-44,564	-40,453
Foreign currency translation loss, net of tax	536	120
COMPREHENSIVE INCOME (LOSS)	($44,028)	($40,333)

Supplemental_Consolidating_Fin5

Supplemental Consolidating Financial Statements - Cash Flows (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Oct. 25, 2014	Oct. 26, 2013
Condensed Financial Statements, Captions [Line Items]	'	'
Net cash provided by operating activities	$10,905	($18,693)
Cash flows from investing activities:	'	'
Cash paid for acquisitions, net of cash acquired	-8,371	0
Capital expenditures	-18,028	-30,288
Proceeds from sale of assets	1,698	2,465
Capital Contribution To Subsidiaries	0	'
Investment in subsidiaries	0	'
Changes in restricted cash	-541	-305
Net cash used in investing activities	-25,242	-28,128
Cash flows from financing activities:	'	'
Borrowings on senior Credit Agreement	132,000	164,000
Principal payments on Senior Credit Agreement	-122,344	-131,563
Exercise of stock options and other	567	10,124
Restricted stock tax withholdings	-309	-609
Excess tax benefit from share-based awards	210	656
Intercompany funding	0	0
Net cash provided by financing activities	10,124	42,608
Net (decrease) increase in cash and equivalents	-4,213	-4,213
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	20,672	18,607
CASH AND EQUIVALENTS AT END OF PERIOD	16,459	14,394
Parent	'	'
Condensed Financial Statements, Captions [Line Items]	'	'
Net cash provided by operating activities	-5,233	-2,905
Cash flows from investing activities:	'	'
Cash paid for acquisitions, net of cash acquired	0	'
Capital expenditures	-1,597	-1,680
Proceeds from sale of assets	0	0
Capital Contribution To Subsidiaries	0	'
Investment in subsidiaries	0	'
Changes in restricted cash	-541	-305
Net cash used in investing activities	-2,138	-1,985
Cash flows from financing activities:	'	'
Borrowings on senior Credit Agreement	132,000	164,000
Principal payments on Senior Credit Agreement	-122,344	-131,563
Exercise of stock options and other	567	10,124
Restricted stock tax withholdings	-309	-609
Excess tax benefit from share-based awards	210	656
Intercompany funding	-2,753	-37,718
Net cash provided by financing activities	7,371	4,890
Net (decrease) increase in cash and equivalents	0	0
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	0	0
CASH AND EQUIVALENTS AT END OF PERIOD	0	0
Issuer	'	'
Condensed Financial Statements, Captions [Line Items]	'	'
Net cash provided by operating activities	1,924	1,835
Cash flows from investing activities:	'	'
Cash paid for acquisitions, net of cash acquired	0	'
Capital expenditures	0	0
Proceeds from sale of assets	0	0
Capital Contribution To Subsidiaries	891	'
Investment in subsidiaries	-2,125	'
Changes in restricted cash	0	0
Net cash used in investing activities	-1,234	0
Cash flows from financing activities:	'	'
Borrowings on senior Credit Agreement	0	0
Principal payments on Senior Credit Agreement	0	0
Exercise of stock options and other	0	0
Restricted stock tax withholdings	0	0
Excess tax benefit from share-based awards	0	0
Intercompany funding	-690	-1,835
Net cash provided by financing activities	-690	-1,835
Net (decrease) increase in cash and equivalents	0	0
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	0	0
CASH AND EQUIVALENTS AT END OF PERIOD	0	0
Subsidiary Guarantors	'	'
Condensed Financial Statements, Captions [Line Items]	'	'
Net cash provided by operating activities	14,666	-17,351
Cash flows from investing activities:	'	'
Cash paid for acquisitions, net of cash acquired	-8,371	'
Capital expenditures	-14,861	-27,042
Proceeds from sale of assets	1,698	2,422
Capital Contribution To Subsidiaries	0	'
Investment in subsidiaries	-200	'
Changes in restricted cash	0	0
Net cash used in investing activities	-21,734	-24,620
Cash flows from financing activities:	'	'
Borrowings on senior Credit Agreement	0	0
Principal payments on Senior Credit Agreement	0	0
Exercise of stock options and other	0	0
Restricted stock tax withholdings	0	0
Excess tax benefit from share-based awards	0	0
Intercompany funding	3,130	37,436
Net cash provided by financing activities	3,130	37,436
Net (decrease) increase in cash and equivalents	-3,938	-4,535
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	19,739	18,166
CASH AND EQUIVALENTS AT END OF PERIOD	15,801	13,631
Non-Guarantor Subsidiaries	'	'
Condensed Financial Statements, Captions [Line Items]	'	'
Net cash provided by operating activities	-452	-272
Cash flows from investing activities:	'	'
Cash paid for acquisitions, net of cash acquired	0	'
Capital expenditures	-1,570	-1,566
Proceeds from sale of assets	0	43
Capital Contribution To Subsidiaries	0	'
Investment in subsidiaries	0	'
Changes in restricted cash	0	0
Net cash used in investing activities	-1,570	-1,523
Cash flows from financing activities:	'	'
Borrowings on senior Credit Agreement	0	0
Principal payments on Senior Credit Agreement	0	0
Exercise of stock options and other	0	0
Restricted stock tax withholdings	0	0
Excess tax benefit from share-based awards	0	0
Intercompany funding	1,747	2,117
Net cash provided by financing activities	1,747	2,117
Net (decrease) increase in cash and equivalents	-275	322
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	933	441
CASH AND EQUIVALENTS AT END OF PERIOD	658	763
Eliminations and Reclassifications	'	'
Condensed Financial Statements, Captions [Line Items]	'	'
Net cash provided by operating activities	0	0
Cash flows from investing activities:	'	'
Cash paid for acquisitions, net of cash acquired	0	'
Capital expenditures	0	0
Proceeds from sale of assets	0	0
Capital Contribution To Subsidiaries	-891	'
Investment in subsidiaries	2,325	'
Changes in restricted cash	0	0
Net cash used in investing activities	1,434	0
Cash flows from financing activities:	'	'
Borrowings on senior Credit Agreement	0	0
Principal payments on Senior Credit Agreement	0	0
Exercise of stock options and other	0	0
Restricted stock tax withholdings	0	0
Excess tax benefit from share-based awards	0	0
Intercompany funding	-1,434	0
Net cash provided by financing activities	-1,434	0
Net (decrease) increase in cash and equivalents	0	0
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	0	0
CASH AND EQUIVALENTS AT END OF PERIOD	$0	$0