XML 41 R29.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Costs and Estimated Earnings in Excess of Billings (Tables) | 3 Months Ended
--- | ---
Oct. 29, 2016
Contractors [Abstract] |
Costs and Estimated Earnings in Excess of Billings, Net | Costs and estimated earnings in excess of billings (“CIEB”) includes revenue for services performed under contracts using the units-of-delivery method of accounting and the cost-to-cost measure of the percentage of completion method of accounting. Amounts consisted of the following (dollars in thousands):
| October 29, 2016 |  | July 30, 2016
Costs incurred on contracts in progress | $ | 397,412 |  |  | $ | 307,826 |
Estimated to date earnings | 119,012 |  |  | 92,226 |
Total costs and estimated earnings | 516,424 |  |  | 400,052 |
Less: billings to date | (42,735 | ) |  | (42,637 | )
| $ | 473,689 |  |  | $ | 357,415 |
Included in the accompanying condensed consolidated balance sheets under the captions: |  |  |  |  |
Costs and estimated earnings in excess of billings | $ | 488,960 |  |  | $ | 376,972 |
Billings in excess of costs and estimated earnings | (15,271 | ) |  | (19,557 | )
| $ | 473,689 |  |  | $ | 357,415 |

X
- Definition Tabular disclosure of costs and estimated earnings in excess of billings, net. + References No definition available. + Details
Name: | dy_CostsAndEstimatedEarningsInExcessOfBillingsNetTableTextBlock
Namespace Prefix: | dy_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ContractorsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration