XML 80 R65.htm IDEA: XBRL DOCUMENT
v3.10.0.1

RESTRUCTURING ACTIVITIES - Restruciting Expenses and Related Costs (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 29, 2018 USD ($)
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | $ 34,031
Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 18,380
Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 15,651
Severance | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 8,080
Severance | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 11,883
Other cash restructuring expenses | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 5,740
Other cash restructuring expenses | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 3,328
Asset impairments/net loss on disposals | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 4,560
Asset impairments/net loss on disposals | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 440
Engineered Support Structures |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 28,572
Engineered Support Structures | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 14,327
Engineered Support Structures | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 14,245
Engineered Support Structures | Severance | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 6,255
Engineered Support Structures | Severance | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 10,654
Engineered Support Structures | Other cash restructuring expenses | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 3,512
Engineered Support Structures | Other cash restructuring expenses | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 3,151
Engineered Support Structures | Asset impairments/net loss on disposals | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 4,560
Engineered Support Structures | Asset impairments/net loss on disposals | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 440
Utility Support Structures |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 5,153
Utility Support Structures | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 4,053
Utility Support Structures | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 1,100
Utility Support Structures | Severance | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 1,825
Utility Support Structures | Severance | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 1,100
Utility Support Structures | Other cash restructuring expenses | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 2,228
Utility Support Structures | Other cash restructuring expenses | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Utility Support Structures | Asset impairments/net loss on disposals | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Utility Support Structures | Asset impairments/net loss on disposals | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Irrigation |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 180
Irrigation | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Irrigation | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 180
Irrigation | Severance | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 129
Irrigation | Other cash restructuring expenses | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Irrigation | Other cash restructuring expenses | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 51
Irrigation | Asset impairments/net loss on disposals | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Irrigation | Asset impairments/net loss on disposals | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Other/ Corporate |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 126
Other/ Corporate | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Other/ Corporate | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 126
Other/ Corporate | Severance | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Other/ Corporate | Severance | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Other/ Corporate | Other cash restructuring expenses | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Other/ Corporate | Other cash restructuring expenses | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 126
Other/ Corporate | Asset impairments/net loss on disposals | Cost of Sales |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 0
Other/ Corporate | Asset impairments/net loss on disposals | Selling, General and Administrative Expenses |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | $ 0

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherRestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=vmi_AssetImpairmentNetLossOnDisposalsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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