XML 76 R66.htm IDEA: XBRL DOCUMENT
v3.23.1

Debt - Interest Rates of the Credit Agreement (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 29, 2023 | Jan. 28, 2023
Credit Agreement - Revolving facility (matures April 2020) |  |
Line of Credit Facility [Line Items] |  |
Unutilized commitment fee (in percent) | 0.25% | 0.35%
Minimum | Standby Letters of Credit |  |
Line of Credit Facility [Line Items] |  |
Unutilized commitment fee (in percent) | 1.25% |
Minimum | Commercial Letters of Credit |  |
Line of Credit Facility [Line Items] |  |
Unutilized commitment fee (in percent) | 0.625% |
Minimum | Credit Agreement - Revolving facility (matures April 2020) |  |
Line of Credit Facility [Line Items] |  |
Unutilized commitment fee (in percent) | 0.20% |
Maximum | Standby Letters of Credit |  |
Line of Credit Facility [Line Items] |  |
Unutilized commitment fee (in percent) | 2.00% |
Maximum | Commercial Letters of Credit |  |
Line of Credit Facility [Line Items] |  |
Unutilized commitment fee (in percent) | 1.00% |
Maximum | Credit Agreement - Revolving facility (matures April 2020) |  |
Line of Credit Facility [Line Items] |  |
Unutilized commitment fee (in percent) | 0.40% |
Eurodollar |  |
Line of Credit Facility [Line Items] |  |
Basis spread on variable rate | 1.00% |
Eurodollar | Minimum |  |
Line of Credit Facility [Line Items] |  |
Basis spread on variable rate | 1.25% |
Eurodollar | Maximum |  |
Line of Credit Facility [Line Items] |  |
Basis spread on variable rate | 2.00% |
Administrative Agent Base Rate | Minimum |  |
Line of Credit Facility [Line Items] |  |
Basis spread on variable rate | 0.25% |
Administrative Agent Base Rate | Maximum |  |
Line of Credit Facility [Line Items] |  |
Basis spread on variable rate | 1.00% |
Federal Funds |  |
Line of Credit Facility [Line Items] |  |
Basis spread on variable rate | 0.50% |
Base rate, floor | 0.00% |
Secured Overnight Financing Rate (SOFR) |  |
Line of Credit Facility [Line Items] |  |
Basis spread on variable rate | 0.10% |

X
- Definition Debt Instrument, Base Rate, Floor Interest Rate + References No definition available. + Details
Name: | dy_DebtInstrumentBaseRateFloorInterestRate
Namespace Prefix: | dy_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=dy_CommercialLettersofCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=dy_AdministrativeAgentBaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=dy_SecuredOvernightFinancingRateSOFRMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |