XML 61 R39.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Goodwill and Intangible Assets (Tables) | 12 Months Ended
--- | ---
Jan. 25, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill |
| Goodwill |  | Accumulated Impairment Losses |  | Total
Balance as of January 27, 2018 | $ | 517,510 |  |  | $ | (195,767 | ) |  | $ | 321,743 |
Goodwill from fiscal 2019 acquisition | 4,097 |  |  | — |  |  | 4,097 |
Purchase price allocation adjustments from fiscal 2019 acquisition | (91 | ) |  | — |  |  | (91 | )
Balance as of January 26, 2019 | $ | 521,516 |  |  | $ | (195,767 | ) |  | $ | 325,749 |
Impairment Calculation Rates |
| Fiscal Year Ended |  | Six Months Ended |  | Fiscal Year Ended
| January 25, 2020 |  | January 26, 2019 |  | January 27, 2018 |  | July 29, 2017
Terminal Growth Rate | 3.0% |  | 2.5% - 3.0% |  | 2.5% - 3.0% |  | 2.0% - 3.0%
Discount Rate | 10.0% |  | 11.0% |  | 11.0% |  | 11.0%
Schedule of Intangible Assets | intangible assets consisted of the following (dollars in thousands):
| January 25, 2020 |  | January 26, 2019
| Weighted Average Remaining Useful Lives (Years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Intangible Assets, Net |  | Gross Carrying Amount |  | Accumulated Amortization |  | Intangible Assets, Net
Customer relationships | 10.2 |  | $ | 312,017 |  |  | $ | 178,411 |  |  | $ | 133,606 |  |  | $ | 312,017 |  |  | $ | 157,691 |  |  | $ | 154,326 |
Trade names, finite | 7.9 |  | 10,350 |  |  | 8,732 |  |  | 1,618 |  |  | 10,350 |  |  | 8,312 |  |  | 2,038 |
Trade name, indefinite | — |  | 4,700 |  |  | — |  |  | 4,700 |  |  | 4,700 |  |  | — |  |  | 4,700 |
Non-compete agreements | 0.5 |  | 200 |  |  | 179 |  |  | 21 |  |  | 200 |  |  | 139 |  |  | 61 |
|  |  | $ | 327,267 |  |  | $ | 187,322 |  |  | $ | 139,945 |  |  | $ | 327,267 |  |  | $ | 166,142 |  |  | $ | 161,125 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | As of January 25, 2020, total amortization expense for existing finite-lived intangible assets for the next five fiscal years and thereafter is as follows (dollars in thousands):
|  | Amount
2021 |  | $ | 20,663 |
2022 |  | 17,490 |
2023 |  | 15,334 |
2024 |  | 13,903 |
2025 |  | 13,718 |
Thereafter |  | 54,137 |
Total |  | $ | 135,245 |

X
- Definition Impairment Calculation Rates [Table Text Block] + References No definition available. + Details
Name: | dy_ImpairmentCalculationRatesTableTextBlock
Namespace Prefix: | dy_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration