XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Major Product Categories and Percentage of Consolidated Net Sales (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Product Information [Line Items] |  |
Total net external sales | $ 491,319 | $ 362,716
Sales Revenue, Net |  |
Product Information [Line Items] |  |
Percentage of consolidated net sales | 100.00% | 100.00%
Corporate and Eliminations |  |
Product Information [Line Items] |  |
Total net external sales | $ (6,765) | $ (1,983)
Commercial Trailer Products |  |
Product Information [Line Items] |  |
Total net external sales | 327,422 | 274,789
Diversified Products |  |
Product Information [Line Items] |  |
Total net external sales | 95,203 | 89,910
Final Mile Products |  |
Product Information [Line Items] |  |
Total net external sales | 75,459 | 0
New Trailers |  |
Product Information [Line Items] |  |
Total net external sales | $ 344,157 | $ 287,885
New Trailers | Sales Revenue, Net |  |
Product Information [Line Items] |  |
Percentage of consolidated net sales | 70.00% | 79.40%
New Trailers | Corporate and Eliminations |  |
Product Information [Line Items] |  |
Total net external sales | $ 0 | $ 0
New Trailers | Commercial Trailer Products |  |
Product Information [Line Items] |  |
Total net external sales | 310,318 | 257,190
New Trailers | Diversified Products |  |
Product Information [Line Items] |  |
Total net external sales | 33,839 | 30,695
New Trailers | Final Mile Products |  |
Product Information [Line Items] |  |
Total net external sales | 0 | 0
Used Trailers |  |
Product Information [Line Items] |  |
Total net external sales | $ 5,493 | $ 2,106
Used Trailers | Sales Revenue, Net |  |
Product Information [Line Items] |  |
Percentage of consolidated net sales | 1.10% | 0.60%
Used Trailers | Corporate and Eliminations |  |
Product Information [Line Items] |  |
Total net external sales | $ 0 | $ 0
Used Trailers | Commercial Trailer Products |  |
Product Information [Line Items] |  |
Total net external sales | 4,407 | 887
Used Trailers | Diversified Products |  |
Product Information [Line Items] |  |
Total net external sales | 1,086 | 1,219
Used Trailers | Final Mile Products |  |
Product Information [Line Items] |  |
Total net external sales | 0 | 0
Components, parts and service |  |
Product Information [Line Items] |  |
Total net external sales | $ 38,267 | $ 44,435
Components, parts and service | Sales Revenue, Net |  |
Product Information [Line Items] |  |
Percentage of consolidated net sales | 7.80% | 12.30%
Components, parts and service | Corporate and Eliminations |  |
Product Information [Line Items] |  |
Total net external sales | $ (6,762) | $ (1,983)
Components, parts and service | Commercial Trailer Products |  |
Product Information [Line Items] |  |
Total net external sales | 8,648 | 12,743
Components, parts and service | Diversified Products |  |
Product Information [Line Items] |  |
Total net external sales | 33,968 | 33,675
Components, parts and service | Final Mile Products |  |
Product Information [Line Items] |  |
Total net external sales | 2,413 | 0
Equipment and other |  |
Product Information [Line Items] |  |
Total net external sales | $ 103,402 | $ 28,290
Equipment and other | Sales Revenue, Net |  |
Product Information [Line Items] |  |
Percentage of consolidated net sales | 21.10% | 7.70%
Equipment and other | Corporate and Eliminations |  |
Product Information [Line Items] |  |
Total net external sales | $ (3) | $ 0
Equipment and other | Commercial Trailer Products |  |
Product Information [Line Items] |  |
Total net external sales | 4,049 | 3,969
Equipment and other | Diversified Products |  |
Product Information [Line Items] |  |
Total net external sales | 26,310 | 24,321
Equipment and other | Final Mile Products |  |
Product Information [Line Items] |  |
Total net external sales | $ 73,046 | $ 0

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num: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_ProductInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesRevenueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=wnc_CommercialVehicleSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=wnc_OtherProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=wnc_FinalMileProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=wnc_ProductOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=wnc_ProductTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=wnc_ProductThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=wnc_ProductFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |