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Basis of Presentation | 12 Months Ended
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Jan. 26, 2019
Accounting Policies [Abstract] |
Basis of Accounting [Text Block] | 1. Basis of Presentation Dycom Industries, Inc. (“Dycom” or the “Company”) is a leading provider of specialty contracting services throughout the United States. The Company provides program management, engineering, construction, maintenance and installation services for telecommunications providers, underground facility locating services for various utilities, including telecommunications providers, and other construction and maintenance services for electric and gas utilities. The accompanying consolidated financial statements of the Company and its subsidiaries, all of which are wholly-owned, have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”). In the opinion of management, all adjustments considered necessary for a fair presentation of such statements have been included. This includes all normal and recurring adjustments and elimination of intercompany accounts and transactions. Accounting Period. In September 2017, the Company’s Board of Directors approved a change in the Company’s fiscal year end from the last Saturday in July to the last Saturday in January. The change in fiscal year end better aligned the Company’s fiscal year with the planning cycles of its customers. For quarterly comparisons, there were no changes to the months in each fiscal quarter. Beginning with fiscal 2019, each fiscal year ends on the last Saturday in January and consists of either 52 or 53 weeks of operations (with the additional week of operations occurring in the fourth fiscal quarter). Fiscal 2019 and fiscal 2017 each consisted of 52 weeks of operations and fiscal 2016 consisted of 53 weeks of operations. The next 53 week fiscal period will occur in the fiscal year ending January 30, 2021. The Company refers to the period beginning January 28, 2018 and ending January 26, 2019 as “fiscal 2019”, the period beginning July 30, 2017 and ending January 27, 2018 as the “2018 transition period”, the period beginning July 31, 2016 and ending July 29, 2017 as “fiscal 2017”, and the period beginning July 26, 2015 and ending July 30, 2016 as “fiscal 2016”. Segment Information. The Company operates in one reportable segment. Its services are provided by its operating segments on a decentralized basis. Each operating segment consists of a subsidiary (or in certain instances, the combination of two or more subsidiaries), whose results are regularly reviewed by the Company’s Chief Executive Officer, the chief operating decision maker. All of the Company’s operating segments have been aggregated into one reportable segment based on their similar economic characteristics, nature of services and production processes, type of customers, and service distribution methods.

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- Definition The entire disclosure for the basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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