XML 91 R68.htm IDEA: XBRL DOCUMENT
v3.6.0.2

GOODWILL AND INTANGIBLE ASSETS (Details 4) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 25, 2016 | Dec. 26, 2015 | Dec. 31, 2016 | Dec. 26, 2015
Goodwill [Line Items] |  |  |  |
Goodwill, Gross |  | $ 371,808 |  | $ 371,808
Carrying amount of goodwill |  |  |  |
Balance at the beginning of the period |  |  | $ 336,916 | 385,111
Accumulated impairment losses |  | (7,100) |  | (34,892)
Acquisition |  |  |  | 3,019
Foreign currency translation |  |  | (15,806) | (14,585)
Divestiture of business |  |  |  | 1,737
Balance at the end of the period |  | 336,916 | 321,110 | 336,916
Engineered Support Structures |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Gross |  | 101,275 |  | 101,275
Carrying amount of goodwill |  |  |  |
Balance at the beginning of the period |  |  | 101,275 | 107,868
Accumulated impairment losses |  |  |  | 0
Acquisition |  |  |  | 0
Foreign currency translation |  |  | (6,961) | (4,856)
Divestiture of business | $ (1,737) |  |  | 1,737
Balance at the end of the period |  | 101,275 | 94,314 | 101,275
Energy and Mining Segment |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Gross |  | 99,829 |  | 99,829
Carrying amount of goodwill |  |  |  |
Balance at the beginning of the period |  |  | 81,159 | 106,770
Accumulated impairment losses |  | (19,000) |  | (18,670)
Acquisition |  |  |  | 0
Foreign currency translation |  |  | (8,947) | (6,941)
Divestiture of business |  |  |  | 0
Balance at the end of the period |  | 81,159 | 72,212 | 81,159
Utility Support Structures Segment |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Gross |  | 75,404 |  | 75,404
Carrying amount of goodwill |  |  |  |
Balance at the beginning of the period |  |  | 75,404 | 75,404
Accumulated impairment losses |  |  |  | 0
Acquisition |  |  |  | 0
Foreign currency translation |  |  | 0 | 0
Divestiture of business |  |  |  | 0
Balance at the end of the period |  | 75,404 | 75,404 | 75,404
Coatings Segment |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Gross |  | 75,941 |  | 75,941
Carrying amount of goodwill |  |  |  |
Balance at the beginning of the period |  |  | 59,719 | 75,533
Accumulated impairment losses |  |  |  | (16,222)
Acquisition |  |  |  | 3,019
Foreign currency translation |  |  | (150) | (2,611)
Divestiture of business |  |  |  | 0
Balance at the end of the period |  | 59,719 | 59,569 | 59,719
Irrigation Segment |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Gross |  | 19,359 |  | 19,359
Carrying amount of goodwill |  |  |  |
Balance at the beginning of the period |  |  | 19,359 | 19,536
Accumulated impairment losses |  |  |  | 0
Acquisition |  |  |  | 0
Foreign currency translation |  |  | 252 | (177)
Divestiture of business |  |  |  | 0
Balance at the end of the period |  | $ 19,359 | $ 19,611 | $ 19,359

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillImpairmentLoss
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_GoodwillLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vmi_EnergyandMiningSegmentMember
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_CoatingsSegmentMember
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: |