XML 45 R33.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Other Current Assets and Other Assets (Tables) | 9 Months Ended
--- | ---
Oct. 27, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Other Current Assets | Other current assets consisted of the following (dollars in thousands):
| October 27, 2018 |  | January 27, 2018
Prepaid expenses | $ | 16,957 |  |  | $ | 13,167 |
Insurance recoveries/receivables for accrued insurance claims | — |  |  | 13,701 |
Receivables on equipment sales | 672 |  |  | 31 |
Deposits and other current assets, including restricted cash | 16,381 |  |  | 12,811 |
Total other current assets | $ | 34,010 |  |  | $ | 39,710 |
Schedule of Non current Assets | Other assets (long-term) consisted of the following (dollars in thousands):
| October 27, 2018 |  | January 27, 2018
Deferred financing costs | $ | 9,504 |  |  | $ | 3,873 |
Restricted cash | 5,253 |  |  | 5,253 |
Insurance recoveries/receivables for accrued insurance claims | 9,776 |  |  | 6,722 |
Long-term contract assets | 32,014 |  |  | 5,486 |
Other non-current deposits and assets | 7,134 |  |  | 6,856 |
Total other assets | $ | 63,681 |  |  | $ | 28,190 |

X
- Definition Schedule of Non current Assets [Table Text Block] + References No definition available. + Details
Name: | dy_ScheduleofNoncurrentAssetsTableTextBlock
Namespace Prefix: | dy_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the carrying amounts of other current assets. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration