XML 21 R56.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Accrued Insurance Claims Accrued Insurance Claims - Detailed Table (Details) (USD $) In Thousands, unless otherwise specified | Oct. 26, 2013 | Jul. 27, 2013
--- | --- | ---
Amounts expected to be paid within one year: |  |
Accrued auto, general liability and workers' compensation | $ 20,824 | $ 19,328
Accrued employee group health | 3,596 | 3,710
Accrued damage claims | 7,108 | 6,031
Accrued insurance claims | 31,528 | 29,069
Amounts expected to be paid beyond one year: |  |
Accrued auto, general liability and workers' compensation | 27,877 | 25,245
Accrued damage claims | 2,237 | 2,005
Accrued insurance claims, Noncurrent | 30,114 | 27,250
Total accrued insurance claims | $ 61,642 | $ 56,319

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities and/or claimants to mitigate potential losses from auto liability, general liability, and workers compensation. Used to reflect the Noncurrent portion of the liabilities. + References No definition available. + Details
Name: | dy_AccruedAutoInsuranceGeneralLiabilityAndWorkersCompensationNoncurrent
Namespace Prefix: | dy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities and/or claimants to mitigate potential losses from auto liability, general liability, and workers compensation. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
Name: | dy_AccruedInsuranceAutoGeneralLiabilityAndWorkersCompensationCurrent
Namespace Prefix: | dy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities and/or claimants to mitigate potential losses from auto liability, general liability, workers compensation, employee group health, and damage claims. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
Name: | dy_AccruedInsuranceClaimsCurrent
Namespace Prefix: | dy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | dy_AccruedInsuranceClaimsCurrentAbstract
Namespace Prefix: | dy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities and/or claimants to mitigate potential losses from auto liability, general liability, workers compensation, employee group health, and damage claims. Used to reflect the Noncurrent portion of the liabilities. + References No definition available. + Details
Name: | dy_AccruedInsuranceClaimsNoncurrent
Namespace Prefix: | dy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | dy_AccruedInsuranceClaimsNoncurrentAbstract
Namespace Prefix: | dy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities and/or claimants to mitigate potential losses from damage claims. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
Name: | dy_AccruedInsuranceDamageClaimsCurrent
Namespace Prefix: | dy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities and/or claimants to mitigate potential losses from damage claims. Used to reflect the Noncurrent portion of the liabilities. + References No definition available. + Details
Name: | dy_AccruedInsuranceDamageClaimsNoncurrent
Namespace Prefix: | dy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities and/or claimants to mitigate potential losses from employee group health. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
Name: | dy_AccruedInsuranceGroupHealthCurrent
Namespace Prefix: | dy_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_AccruedInsuranceCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant