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v2.4.1.9

Supplemental Consolidating Financial Statements - Cash Flows (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 25, 2015 | Apr. 26, 2014 | Jul. 26, 2014
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by (used in) operating activities | $ 123,584us-gaap_NetCashProvidedByUsedInOperatingActivities | $ 97,491us-gaap_NetCashProvidedByUsedInOperatingActivities |
INVESTING ACTIVITIES: |  |  |
Cash paid for acquisitions, net of cash acquired | (9,821)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | (700)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired |
Capital expenditures | (76,825)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (70,585)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
Proceeds from sale of assets | 6,764us-gaap_ProceedsFromSaleOfProductiveAssets | 9,425us-gaap_ProceedsFromSaleOfProductiveAssets |
Return of capital from subsidiaries | 0dy_CapitalContributionToSubsidiaries | 0dy_CapitalContributionToSubsidiaries |
Investment in subsidiaries | 0dy_InvestmentInSubsidiaries | 0dy_InvestmentInSubsidiaries |
Changes in restricted cash | (541)us-gaap_IncreaseDecreaseInRestrictedCash | (305)us-gaap_IncreaseDecreaseInRestrictedCash |
Other investing activities | (4,000)us-gaap_PaymentsForProceedsFromOtherInvestingActivities | 0us-gaap_PaymentsForProceedsFromOtherInvestingActivities |
Net cash used in investing activities | (84,423)us-gaap_NetCashProvidedByUsedInInvestingActivities | (62,165)us-gaap_NetCashProvidedByUsedInInvestingActivities |
FINANCING ACTIVITIES: |  |  |
Proceeds from borrowings on senior credit agreement, including term loan | 310,750us-gaap_ProceedsFromLongTermLinesOfCredit | 337,000us-gaap_ProceedsFromLongTermLinesOfCredit |
Principal payments on senior credit agreement, including term loan | (321,563)us-gaap_RepaymentsOfLongTermLinesOfCredit | (375,469)us-gaap_RepaymentsOfLongTermLinesOfCredit |
Debt issuance costs | (3,527)us-gaap_DebtIssuanceCosts | 0us-gaap_DebtIssuanceCosts |
Repurchases of common stock | (30,687)us-gaap_PaymentsForRepurchaseOfCommonStock | (9,999)us-gaap_PaymentsForRepurchaseOfCommonStock | (10,000)us-gaap_PaymentsForRepurchaseOfCommonStock
Exercise of stock options | 6,842us-gaap_ProceedsFromStockOptionsExercised | 14,010us-gaap_ProceedsFromStockOptionsExercised |
Restricted stock tax withholdings | (4,330)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation | (3,590)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation |
Excess tax benefit from share-based awards | 5,224us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 2,837us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities |
Intercompany funding | 0us-gaap_ProceedsFromPaymentsForOtherFinancingActivities | 0us-gaap_ProceedsFromPaymentsForOtherFinancingActivities |
Receipt of capital contributions, net | 0us-gaap_ProceedsFromContributedCapital |  |
Net cash used in financing activities | (37,291)us-gaap_NetCashProvidedByUsedInFinancingActivities | (35,211)us-gaap_NetCashProvidedByUsedInFinancingActivities |
Net increase in cash and equivalents | 1,870us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 115us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease |
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD | 20,672us-gaap_CashAndCashEquivalentsAtCarryingValue | 18,607us-gaap_CashAndCashEquivalentsAtCarryingValue | 18,607us-gaap_CashAndCashEquivalentsAtCarryingValue
CASH AND EQUIVALENTS AT END OF PERIOD | 22,542us-gaap_CashAndCashEquivalentsAtCarryingValue | 18,722us-gaap_CashAndCashEquivalentsAtCarryingValue | 20,672us-gaap_CashAndCashEquivalentsAtCarryingValue
Parent |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by (used in) operating activities | (9,001)us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2,007us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
INVESTING ACTIVITIES: |  |  |
Cash paid for acquisitions, net of cash acquired | 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Capital expenditures | (7,171)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (6,901)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Proceeds from sale of assets | 0us-gaap_ProceedsFromSaleOfProductiveAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0us-gaap_ProceedsFromSaleOfProductiveAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Return of capital from subsidiaries | 0dy_CapitalContributionToSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0dy_CapitalContributionToSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Investment in subsidiaries | 0dy_InvestmentInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0dy_InvestmentInSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Changes in restricted cash | (541)us-gaap_IncreaseDecreaseInRestrictedCash / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (305)us-gaap_IncreaseDecreaseInRestrictedCash / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Other investing activities | 0us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Net cash used in investing activities | (7,712)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (7,206)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
FINANCING ACTIVITIES: |  |  |
Proceeds from borrowings on senior credit agreement, including term loan | 310,750us-gaap_ProceedsFromLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 337,000us-gaap_ProceedsFromLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Principal payments on senior credit agreement, including term loan | (321,563)us-gaap_RepaymentsOfLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (375,469)us-gaap_RepaymentsOfLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Debt issuance costs | (3,527)us-gaap_DebtIssuanceCosts / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Repurchases of common stock | (30,687)us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (9,999)us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Exercise of stock options | 6,842us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 14,010us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Restricted stock tax withholdings | (4,330)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (3,590)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Excess tax benefit from share-based awards | 5,224us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2,837us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Intercompany funding | 54,004us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 40,410us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Receipt of capital contributions, net | 0us-gaap_ProceedsFromContributedCapital / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Net cash used in financing activities | 16,713us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 5,199us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Net increase in cash and equivalents | 0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
CASH AND EQUIVALENTS AT END OF PERIOD | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Issuer |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by (used in) operating activities | (4,350)us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = dy_IssuerMember | (4,261)us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = dy_IssuerMember |
INVESTING ACTIVITIES: |  |  |
Cash paid for acquisitions, net of cash acquired | 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = dy_IssuerMember |
Capital expenditures | 0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = dy_IssuerMember |
Proceeds from sale of assets | 0us-gaap_ProceedsFromSaleOfProductiveAssets / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_ProceedsFromSaleOfProductiveAssets / dei_LegalEntityAxis = dy_IssuerMember |
Return of capital from subsidiaries | 2,149dy_CapitalContributionToSubsidiaries / dei_LegalEntityAxis = dy_IssuerMember | 683dy_CapitalContributionToSubsidiaries / dei_LegalEntityAxis = dy_IssuerMember |
Investment in subsidiaries | (406,749)dy_InvestmentInSubsidiaries / dei_LegalEntityAxis = dy_IssuerMember | (4,635)dy_InvestmentInSubsidiaries / dei_LegalEntityAxis = dy_IssuerMember |
Changes in restricted cash | 0us-gaap_IncreaseDecreaseInRestrictedCash / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_IncreaseDecreaseInRestrictedCash / dei_LegalEntityAxis = dy_IssuerMember |
Other investing activities | 0us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = dy_IssuerMember |  |
Net cash used in investing activities | (404,600)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = dy_IssuerMember | (3,952)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = dy_IssuerMember |
FINANCING ACTIVITIES: |  |  |
Proceeds from borrowings on senior credit agreement, including term loan | 0us-gaap_ProceedsFromLongTermLinesOfCredit / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_ProceedsFromLongTermLinesOfCredit / dei_LegalEntityAxis = dy_IssuerMember |
Principal payments on senior credit agreement, including term loan | 0us-gaap_RepaymentsOfLongTermLinesOfCredit / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_RepaymentsOfLongTermLinesOfCredit / dei_LegalEntityAxis = dy_IssuerMember |
Debt issuance costs | 0us-gaap_DebtIssuanceCosts / dei_LegalEntityAxis = dy_IssuerMember |  |
Repurchases of common stock | 0us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = dy_IssuerMember |
Exercise of stock options | 0us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = dy_IssuerMember |
Restricted stock tax withholdings | 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = dy_IssuerMember |
Excess tax benefit from share-based awards | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = dy_IssuerMember |
Intercompany funding | 408,950us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = dy_IssuerMember | 8,213us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = dy_IssuerMember |
Receipt of capital contributions, net | 0us-gaap_ProceedsFromContributedCapital / dei_LegalEntityAxis = dy_IssuerMember |  |
Net cash used in financing activities | 408,950us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = dy_IssuerMember | 8,213us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = dy_IssuerMember |
Net increase in cash and equivalents | 0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = dy_IssuerMember |
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = dy_IssuerMember
CASH AND EQUIVALENTS AT END OF PERIOD | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = dy_IssuerMember | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = dy_IssuerMember |
Subsidiary Guarantors |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by (used in) operating activities | 136,999us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 102,153us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
INVESTING ACTIVITIES: |  |  |
Cash paid for acquisitions, net of cash acquired | (9,821)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Capital expenditures | (63,421)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (59,504)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Proceeds from sale of assets | 6,756us-gaap_ProceedsFromSaleOfProductiveAssets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 7,813us-gaap_ProceedsFromSaleOfProductiveAssets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Return of capital from subsidiaries | 0dy_CapitalContributionToSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0dy_CapitalContributionToSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Investment in subsidiaries | (400)dy_InvestmentInSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (185)dy_InvestmentInSubsidiaries / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Changes in restricted cash | 0us-gaap_IncreaseDecreaseInRestrictedCash / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0us-gaap_IncreaseDecreaseInRestrictedCash / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Other investing activities | 0us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |
Net cash used in investing activities | (66,886)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (51,876)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
FINANCING ACTIVITIES: |  |  |
Proceeds from borrowings on senior credit agreement, including term loan | 0us-gaap_ProceedsFromLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0us-gaap_ProceedsFromLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Principal payments on senior credit agreement, including term loan | 0us-gaap_RepaymentsOfLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0us-gaap_RepaymentsOfLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Debt issuance costs | 0us-gaap_DebtIssuanceCosts / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |
Repurchases of common stock | 0us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Exercise of stock options | 0us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Restricted stock tax withholdings | 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Excess tax benefit from share-based awards | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Intercompany funding | (460,517)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (50,434)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Receipt of capital contributions, net | 391,944us-gaap_ProceedsFromContributedCapital / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |
Net cash used in financing activities | (68,573)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (50,434)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Net increase in cash and equivalents | 1,540us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (157)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD | 19,739us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 18,166us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 18,166us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
CASH AND EQUIVALENTS AT END OF PERIOD | 21,279us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 18,009us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |
Non- Guarantor Subsidiaries |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by (used in) operating activities | (64)us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (2,408)us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
INVESTING ACTIVITIES: |  |  |
Cash paid for acquisitions, net of cash acquired | 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (700)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Capital expenditures | (6,233)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (4,180)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Proceeds from sale of assets | 8us-gaap_ProceedsFromSaleOfProductiveAssets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,612us-gaap_ProceedsFromSaleOfProductiveAssets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Return of capital from subsidiaries | 0dy_CapitalContributionToSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0dy_CapitalContributionToSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Investment in subsidiaries | 0dy_InvestmentInSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0dy_InvestmentInSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Changes in restricted cash | 0us-gaap_IncreaseDecreaseInRestrictedCash / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0us-gaap_IncreaseDecreaseInRestrictedCash / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Other investing activities | (4,000)us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Net cash used in investing activities | (10,225)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (3,268)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
FINANCING ACTIVITIES: |  |  |
Proceeds from borrowings on senior credit agreement, including term loan | 0us-gaap_ProceedsFromLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0us-gaap_ProceedsFromLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Principal payments on senior credit agreement, including term loan | 0us-gaap_RepaymentsOfLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0us-gaap_RepaymentsOfLongTermLinesOfCredit / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Debt issuance costs | 0us-gaap_DebtIssuanceCosts / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Repurchases of common stock | 0us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Exercise of stock options | 0us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Restricted stock tax withholdings | 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Excess tax benefit from share-based awards | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Intercompany funding | (2,437)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 5,948us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Receipt of capital contributions, net | 13,056us-gaap_ProceedsFromContributedCapital / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Net cash used in financing activities | 10,619us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 5,948us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
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Eliminations and Reclassifications |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
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INVESTING ACTIVITIES: |  |  |
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Return of capital from subsidiaries | (2,149)dy_CapitalContributionToSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (683)dy_CapitalContributionToSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |
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Other investing activities | 0us-gaap_PaymentsForProceedsFromOtherInvestingActivities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
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Debt issuance costs | 0us-gaap_DebtIssuanceCosts / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Repurchases of common stock | 0us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |
Exercise of stock options | 0us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |
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Intercompany funding | 0us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (4,137)us-gaap_ProceedsFromPaymentsForOtherFinancingActivities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |
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Net cash used in financing activities | (405,000)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (4,137)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |
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CASH AND EQUIVALENTS AT BEGINNING OF PERIOD | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
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