XML 43 R31.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Costs and Estimated Earnings in Excess of Billings (Tables) | 9 Months Ended
--- | ---
Apr. 23, 2016
Contractors [Abstract] |
Costs and Estimated Earnings in Excess of Billings, Net | Costs and estimated earnings in excess of billings (“CIEB”) include revenue for services from contracts based on units-ofdelivery and cost-to-cost measures of the percentage of completion method of accounting. Amounts consisted of the following:
| April 23, 2016 |  | July 25, 2015
| (Dollars in thousands)
Costs incurred on contracts in progress | $ | 308,196 |  |  | $ | 240,077 |
Estimated to date earnings | 89,180 |  |  | 72,446 |
Total costs and estimated earnings | 397,376 |  |  | 312,523 |
Less: billings to date | (50,277 | ) |  | (54,689 | )
| $ | 347,099 |  |  | $ | 257,834 |
Included in the accompanying condensed consolidated balance sheets under the captions: |  |  |  |  |
Costs and estimated earnings in excess of billings | $ | 358,236 |  |  | $ | 274,730 |
Billings in excess of costs and estimated earnings | (11,137 | ) |  | (16,896 | )
| $ | 347,099 |  |  | $ | 257,834 |

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