XML 123 R108.htm IDEA: XBRL DOCUMENT
v3.25.0.1

BUSINESS COMBINATIONS - Contingent Consideration (Details) - Enica Engineering, PLLC $ in Millions | Oct. 23, 2024 USD ($)
--- | ---
Business Combination, Contingent Consideration Arrangements |
Business combination, contingent consideration arrangements, range of outcomes, value, low | $ 12.0
Business combination, contingent consideration arrangements, earnout payments, maximum payout | $ 6.0
Business combination, contingent consideration arrangements, earnout payments, earnout period | 2 years
Business combination, contingent consideration arrangements, range of outcomes, value, high | $ 18.0

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

X
- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-1 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-1 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business Combination, Contingent Consideration Arrangements, Earnout Payments, Earnout Period + References No definition available. + Details
Name: | wldn_BusinessCombinationContingentConsiderationArrangementsEarnoutPaymentsEarnoutPeriod
Namespace Prefix: | wldn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business Combination, Contingent Consideration Arrangements, Earnout Payments, Maximum Payout + References No definition available. + Details
Name: | wldn_BusinessCombinationContingentConsiderationArrangementsEarnoutPaymentsMaximumPayout
Namespace Prefix: | wldn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=wldn_EnicaEngineeringPllcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |