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v3.26.1

REVENUE RECOGNITION (Details) | Mar. 31, 2026 obligation
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Revenue from Contract with Customer [Abstract] |
Number of performance obligations | 3

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

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- Definition Revenue, Number Of Performance Obligations + References No definition available. + Details
Name: | wnc_RevenueNumberOfPerformanceObligations
Namespace Prefix: | wnc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant