$VMI
VALMONT INDUSTRIES INC Stock $vmi

$vmi Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000010272922000008 Filed on February 23, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$963.3M	$3.502B	$798.4M
YoY Change	20.65%	20.94%	16.79%
Cost Of Revenue	$741.0M	$2.618B	$593.8M
YoY Change	24.79%	22.91%	13.62%
Gross Profit	$222.3M	$883.9M	$204.6M
YoY Change	8.65%	15.46%	22.8%
Gross Profit Margin	23.08%	25.24%	25.62%
Selling, General & Admin	$165.0M	$590.6M	$137.2M
YoY Change	20.29%	12.94%	18.48%
% of Gross Profit	74.24%	66.82%	67.06%
Research & Development		$37.00M
YoY Change		72.9%
% of Gross Profit		4.19%
Depreciation & Amortization	$24.81M	$92.58M	$21.40M
YoY Change	15.95%	11.68%	-2.28%
% of Gross Profit	11.16%	10.47%	10.46%
Operating Expenses	$165.0M	$627.6M	$137.1M
YoY Change	20.37%	15.3%	18.39%
Operating Profit	$57.25M	$286.8M	$67.48M
YoY Change	-15.16%	26.92%	32.86%
Interest Expense	-$10.48M	$42.61M	-$8.700M
YoY Change	20.51%	3.74%	11.54%
% of Operating Profit	-18.31%	14.86%	-12.89%
Other Income/Expense, Net	$2.501M	-$26.70M	$1.700M
YoY Change	47.12%	-19.54%	466.67%
Pretax Income	$42.77M	$260.1M	$47.10M
YoY Change	-9.19%	34.92%	25.27%
Income Tax	$15.09M	$61.41M	$10.40M
% Of Pretax Income	35.29%	23.61%	22.08%
Net Earnings	$26.86M	$197.7M	$35.80M
YoY Change	-24.98%	39.1%	26.06%
Net Earnings / Revenue	2.79%	5.65%	4.48%
Basic Earnings Per Share		$9.23	$1.69
Diluted Earnings Per Share	$1.248M	$9.10	$1.68
COMMON SHARES
Basic Shares Outstanding	21.22M shares	21.19M shares	21.25M shares
Diluted Shares Outstanding		21.49M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$177.2M	$177.2M	$400.7M
YoY Change	-55.77%	-55.77%	13.35%
Cash & Equivalents	$177.2M	$177.2M	$400.7M
Short-Term Investments
Other Short-Term Assets	$83.65M	$83.65M	$59.80M
YoY Change	39.88%	39.88%	86.88%
Inventory	$728.8M	$728.8M	$448.9M
Prepaid Expenses
Receivables	$714.2M	$714.2M	$635.2M
Other Receivables	$8.815M	$8.815M	$10.00M
Total Short-Term Assets	$1.713B	$1.713B	$1.555B
YoY Change	10.17%	10.17%	8.55%
LONG-TERM ASSETS
Property, Plant & Equipment	$598.6M	$751.3M	$597.7M
YoY Change	0.15%	11.25%	7.09%
Goodwill	$708.6M		$430.3M
YoY Change	64.66%		0.34%
Intangibles	$175.4M		$167.2M
YoY Change	4.89%		-4.86%
Long-Term Investments
YoY Change
Other Assets	$252.0M	$99.29M	$203.3M
YoY Change	23.93%	-21.01%	-4.22%
Total Long-Term Assets	$1.734B	$1.734B	$1.399B
YoY Change	24.02%	24.02%	1.71%
TOTAL ASSETS
Total Short-Term Assets	$1.713B	$1.713B	$1.555B
Total Long-Term Assets	$1.734B	$1.734B	$1.399B
Total Assets	$3.447B	$3.447B	$2.953B
YoY Change	16.73%	16.73%	5.2%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$347.8M	$347.8M	$268.1M
YoY Change	29.74%	29.74%	35.43%
Accrued Expenses	$108.8M	$253.3M	$89.80M
YoY Change	21.13%	11.26%	7.24%
Deferred Revenue	$135.7M		$130.0M
YoY Change	4.41%		10.24%
Short-Term Debt	$13.44M	$13.44M	$35.10M
YoY Change	-61.71%	-61.71%	61.01%
Long-Term Debt Due	$4.884M	$4.884M	$2.748M
YoY Change	77.73%	80.89%	261.58%
Total Short-Term Liabilities	$765.9M	$765.9M	$673.3M
YoY Change	13.75%	13.75%	31.05%
LONG-TERM LIABILITIES
Long-Term Debt	$947.1M	$947.1M	$728.4M
YoY Change	30.02%	30.02%	-4.77%
Other Long-Term Liabilities	$89.21M	$272.9M	$58.66M
YoY Change	52.08%	-9.61%	558.77%
Total Long-Term Liabilities	$1.036B	$1.220B	$787.1M
YoY Change	31.66%	18.41%	1.71%
TOTAL LIABILITIES
Total Short-Term Liabilities	$765.9M	$765.9M	$673.3M
Total Long-Term Liabilities	$1.036B	$1.220B	$787.1M
Total Liabilities	$1.802B	$2.060B	$1.460B
YoY Change	23.4%	16.33%	13.42%
SHAREHOLDERS EQUITY
Retained Earnings	$2.394B		$2.245B
YoY Change	6.65%		3.28%
Common Stock	$27.90M		$27.90M
YoY Change	0.0%		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$773.7M		$781.4M
YoY Change	-0.99%		5.04%
Treasury Stock Shares	6.620M shares		6.675M shares
Shareholders Equity	$1.387B	$1.387B	$1.182B
YoY Change
Total Liabilities & Shareholders Equity	$3.447B	$3.447B	$2.953B
YoY Change	16.73%	16.73%	5.2%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$26.86M	$197.7M	$35.80M
YoY Change	-24.98%	39.1%	26.06%
Depreciation, Depletion And Amortization	$24.81M	$92.58M	$21.40M
YoY Change	15.95%	11.68%	-2.28%
Cash From Operating Activities	$4.109M	$65.94M	$43.30M
YoY Change	-90.51%	-79.15%	-36.7%
INVESTING ACTIVITIES
Capital Expenditures	-$27.28M	$107.8M	-$35.70M
YoY Change	-23.58%	1.02%	40.55%
Acquisitions		$312.5M
YoY Change		1870.12%
Other Investing Activities	-$564.0K	-$1.237M	$3.100M
YoY Change	-118.19%	-140.87%	-188.57%
Cash From Investing Activities	-$27.84M	-$417.3M	-$32.60M
YoY Change	-14.59%	301.15%	12.41%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$26.10M
YoY Change		-53.8%
Debt Paid & Issued, Net		$91.31M
YoY Change		-24.95%
Cash From Financing Activities	32.48M	$133.5M	-63.80M
YoY Change	-150.92%	-176.83%	291.41%
NET CHANGE
Cash From Operating Activities	4.109M	$65.94M	43.30M
Cash From Investing Activities	-27.84M	-$417.3M	-32.60M
Cash From Financing Activities	32.48M	$133.5M	-63.80M
Net Change In Cash	8.748M	-$223.5M	-53.10M
YoY Change	-116.47%	-573.66%	-329.87%
FREE CASH FLOW
Cash From Operating Activities	$4.109M	$65.94M	$43.30M
Capital Expenditures	-$27.28M	$107.8M	-$35.70M
Free Cash Flow	$31.39M	-$41.85M	$79.00M
YoY Change	-60.27%	-119.97%	-15.78%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000102729
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2428000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	384000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	25736000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-4183000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
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CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	15952000	USD
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CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
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CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
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CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27900000	shares
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	6619860	shares
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CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.00
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CY2021	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	88395	shares
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CY2019	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	60021	shares
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CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssetsNoncurrent
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CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	1-31429
CY2021	dei	Entity Registrant Name EntityRegistrantName	Valmont Industries, Inc.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	47-0351813
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	15000 Valmont Plaza,
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Omaha,
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	NE
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	68154
CY2021	dei	City Area Code CityAreaCode	402
CY2021	dei	Local Phone Number LocalPhoneNumber	963-1000
CY2021	dei	Security12b Title Security12bTitle	Common Stock $1.00 par value
CY2021	dei	Trading Symbol TradingSymbol	VMI
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	21279858	shares
CY2021Q2	dei	Entity Public Float EntityPublicFloat	4941040230	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Auditor Firm AuditorFirmId	34
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CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
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CY2021	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
CY2021	dei	Auditor Location AuditorLocation	Omaha, Nebraska
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3501575000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2895355000	USD
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CY2021	vmi	Income Loss From Continuing Operations Before Equity Method Investments And Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterest	198669000	USD
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CY2019	vmi	Income Loss From Continuing Operations Before Equity Method Investments And Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsAndNoncontrollingInterest	152105000	USD
CY2021	vmi	Income Loss From Equity Method Investments Net Of Tax IncomeLossFromEquityMethodInvestmentsNetOfTax	-944000	USD
CY2020	vmi	Income Loss From Equity Method Investments Net Of Tax IncomeLossFromEquityMethodInvestmentsNetOfTax	-1004000	USD
CY2019	vmi	Income Loss From Equity Method Investments Net Of Tax IncomeLossFromEquityMethodInvestmentsNetOfTax	0	USD
CY2021	us-gaap	Profit Loss ProfitLoss	197725000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	197725000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	142149000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	152105000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2095000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1456000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	195630000	USD
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5697000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	140693000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	146408000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.23
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.60
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.76
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.10
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.57
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.73
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	us-gaap	Profit Loss ProfitLoss	197725000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	197725000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	197725000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	142149000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	152105000	USD
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-31405000	USD
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-2506000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	31405000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-21483000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1598000	USD
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	21483000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	2506000	USD
CY2021	vmi	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Reclassificationafter Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationafterTax	-20019000	USD
CY2020	vmi	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Reclassificationafter Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationafterTax	0	USD
CY2019	vmi	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Reclassificationafter Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationafterTax	2130000	USD
CY2021	vmi	Other Comprehensive Income Loss Net Investment Hedge Gain Loss After Reclassificationand Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossAfterReclassificationandTax	-25821000	USD
CY2020	vmi	Other Comprehensive Income Loss Net Investment Hedge Gain Loss After Reclassificationand Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossAfterReclassificationandTax	0	USD
CY2019	vmi	Other Comprehensive Income Loss Net Investment Hedge Gain Loss After Reclassificationand Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossAfterReclassificationandTax	2130000	USD
CY2021	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss Reclassified To Earnings Net ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet	6093000	USD
CY2020	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss Reclassified To Earnings Net ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet	-5751000	USD
CY2019	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss Reclassified To Earnings Net ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet	1815000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	USD
CY2021	vmi	Other Comprehensive Income Loss Cash Flow Hedge Realized Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeRealizedGainLossAfterReclassificationAndTax	0	USD
CY2020	vmi	Other Comprehensive Income Loss Cash Flow Hedge Realized Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeRealizedGainLossAfterReclassificationAndTax	1598000	USD
CY2019	vmi	Other Comprehensive Income Loss Cash Flow Hedge Realized Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeRealizedGainLossAfterReclassificationAndTax	0	USD
CY2021	vmi	Other Comprehensive Income Loss Amortization Cost Benefit Included In Interest Expense OtherComprehensiveIncomeLossAmortizationCostBenefitIncludedInInterestExpense	64000	USD
CY2020	vmi	Other Comprehensive Income Loss Amortization Cost Benefit Included In Interest Expense OtherComprehensiveIncomeLossAmortizationCostBenefitIncludedInInterestExpense	64000	USD
CY2019	vmi	Other Comprehensive Income Loss Amortization Cost Benefit Included In Interest Expense OtherComprehensiveIncomeLossAmortizationCostBenefitIncludedInInterestExpense	64000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	2428000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	384000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	7289000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1154000	USD
CY2021	vmi	Other Comprehensive Income Loss Hedging Activities Gainlossafter Reclassificationand Tax OtherComprehensiveIncomeLossHedgingActivitiesGainlossafterReclassificationandTax	227000	USD
CY2020	vmi	Other Comprehensive Income Loss Hedging Activities Gainlossafter Reclassificationand Tax OtherComprehensiveIncomeLossHedgingActivitiesGainlossafterReclassificationandTax	1474000	USD
CY2019	vmi	Other Comprehensive Income Loss Hedging Activities Gainlossafter Reclassificationand Tax OtherComprehensiveIncomeLossHedgingActivitiesGainlossafterReclassificationandTax	2905000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	673303000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	25736000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-4183000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-2710000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-76718000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	17349000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	10828000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	45540000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5608000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-10429000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	243265000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	147757000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	141676000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	976000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	3428000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5505000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	242289000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	144329000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	136171000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	177232000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	400726000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	18050000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	15952000	USD
CY2021Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	571593000	USD
CY2020Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	511714000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	728834000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	448941000	USD
CY2021Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	142643000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	123495000	USD
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	83646000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	59804000	USD
CY2021Q4	vmi	Income Taxes Receivable And Deferred Tax Assets Liabilities Net Current IncomeTaxesReceivableAndDeferredTaxAssetsLiabilitiesNetCurrent	8815000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1422101000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	175364000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	167193000	USD
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	251951000	USD
CY2020Q4	vmi	Income Taxes Receivable And Deferred Tax Assets Liabilities Net Current IncomeTaxesReceivableAndDeferredTaxAssetsLiabilitiesNetCurrent	9945000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	1712763000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	1554625000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1341380000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	823496000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	743653000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	598605000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	597727000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	708566000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	430322000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	203293000	USD
CY2021Q4	us-gaap	Assets Assets	3447249000	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	108771000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	89796000	USD
CY2020Q4	us-gaap	Assets Assets	2953160000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	4884000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2748000	USD
CY2021Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	13439000	USD
CY2020Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	35147000	USD
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	347841000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	268099000	USD
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	144559000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	137939000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	135746000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	130018000	USD
CY2021Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	10616000	USD
CY2020Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	9556000	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	765856000	USD
CY2021Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	536000	USD
CY2020Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	118523000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	47849000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	41689000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	947072000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	728431000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	147759000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	80202000	USD
CY2021Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	35373000	USD
CY2020Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	44519000	USD
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	89207000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	58657000	USD
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27900000	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27900000	shares
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1413597000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1207836000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3447249000	USD
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	27900000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	27900000	USD
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1479000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	335000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2394307000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2245035000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-263127000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-309786000	USD
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	6619860	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	6674866	shares
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	773712000	USD
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	781422000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1386847000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1182062000	USD
CY2021Q4	us-gaap	Minority Interest MinorityInterest	26750000	USD
CY2020Q4	us-gaap	Minority Interest MinorityInterest	25774000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2953160000	USD
CY2020	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	20389000	USD
CY2019	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Profit Loss ProfitLoss	197725000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	142149000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	152105000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	92577000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	82892000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	82264000	USD
CY2021	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	0	USD
CY2020	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-39000	USD
CY2019	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	172000	USD
CY2021	us-gaap	Pension Contributions PensionContributions	1924000	USD
CY2020	us-gaap	Pension Contributions PensionContributions	35399000	USD
CY2019	us-gaap	Pension Contributions PensionContributions	18461000	USD
CY2021	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	27911000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	28720000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	14874000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	11587000	USD
CY2021	us-gaap	Pension Expense Reversal Of Expense Noncash PensionExpenseReversalOfExpenseNoncash	-14567000	USD
CY2020	us-gaap	Pension Expense Reversal Of Expense Noncash PensionExpenseReversalOfExpenseNoncash	-7311000	USD
CY2019	us-gaap	Pension Expense Reversal Of Expense Noncash PensionExpenseReversalOfExpenseNoncash	-513000	USD
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	961000	USD
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-60000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	2513000	USD
CY2021	vmi	Income Loss From Equity Method Investments Net Of Tax IncomeLossFromEquityMethodInvestmentsNetOfTax	-944000	USD
CY2020	vmi	Income Loss From Equity Method Investments Net Of Tax IncomeLossFromEquityMethodInvestmentsNetOfTax	-1004000	USD
CY2019	vmi	Income Loss From Equity Method Investments Net Of Tax IncomeLossFromEquityMethodInvestmentsNetOfTax	0	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	71000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1397000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1486000	USD
CY2021	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	69275000	USD
CY2020	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	24403000	USD
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-5408000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	289942000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	21888000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-22128000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	36066000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	10633000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-4413000	USD
CY2021	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	21579000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-19835000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	29274000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	89418000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	33044000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-21410000	USD
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	30556000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	52548000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-4255000	USD
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	6589000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	12072000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	113039000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	20181000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	46712000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1274000	USD
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	5560000	USD
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-8293000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-6944000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	65938000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	316294000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	307614000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	107790000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	106700000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	97425000	USD
CY2021	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	1745000	USD
CY2020	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	10860000	USD
CY2019	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	5556000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	312500000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	15862000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	81841000	USD
CY2021	us-gaap	Payments For Proceeds From Hedge Investing Activities PaymentsForProceedsFromHedgeInvestingActivities	0	USD
CY2020	us-gaap	Payments For Proceeds From Hedge Investing Activities PaymentsForProceedsFromHedgeInvestingActivities	-11983000	USD
CY2019	us-gaap	Payments For Proceeds From Hedge Investing Activities PaymentsForProceedsFromHedgeInvestingActivities	-11184000	USD
CY2021	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2020	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	1283000	USD
CY2019	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	6169000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1237000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3027000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-545000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-417308000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-104029000	USD
CY2019	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	13195000	USD
CY2021	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	26062000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-168150000	USD
CY2021	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	5821000	USD
CY2020	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	20990000	USD
CY2020	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	7946000	USD
CY2019	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	1868000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	312485000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	88872000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	31000000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	91313000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	121665000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	10768000	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2267000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	41412000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	36930000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	32642000	USD
CY2021	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	0	USD
CY2020	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	5642000	USD
CY2019	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	7737000	USD
CY2021	vmi	Payments To Acquire Additional Interest In Subsidiaries Financing Activities PaymentsToAcquireAdditionalInterestInSubsidiariesFinancingActivities	0	USD
CY2020	vmi	Payments To Acquire Additional Interest In Subsidiaries Financing Activities PaymentsToAcquireAdditionalInterestInSubsidiariesFinancingActivities	59416000	USD
CY2019	vmi	Payments To Acquire Additional Interest In Subsidiaries Financing Activities PaymentsToAcquireAdditionalInterestInSubsidiariesFinancingActivities	27845000	USD
CY2021	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	23895000	USD
CY2020	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	18961000	USD
CY2019	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	13619000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	26100000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	56491000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	62915000	USD
CY2021	vmi	Payments For Repurchase Of Common Treasury Shares Stock Plan Exercises PaymentsForRepurchaseOfCommonTreasurySharesStockPlanExercises	21547000	USD
CY2020	vmi	Payments For Repurchase Of Common Treasury Shares Stock Plan Exercises PaymentsForRepurchaseOfCommonTreasurySharesStockPlanExercises	14489000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	353542000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-5624000	USD
CY2019	vmi	Payments For Repurchase Of Common Treasury Shares Stock Plan Exercises PaymentsForRepurchaseOfCommonTreasurySharesStockPlanExercises	12989000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	133500000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-173756000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-98950000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	8675000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-182000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-223494000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	47184000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	40332000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	400726000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	353542000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	313210000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	177232000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	400726000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1175738000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	152105000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-10429000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.50
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	32503000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	7737000	USD
CY2019	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	27845000	USD
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	491045	shares
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	62915000	USD
CY2019	vmi	Treasury Stock Shares Acquired Stock Plan TreasuryStockSharesAcquiredStockPlan	90868	shares
CY2019	vmi	Treasury Stock Value Acquired Stock Plan Cost Method TreasuryStockValueAcquiredStockPlanCostMethod	12989000	USD
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	119789	shares
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	13619000	USD
CY2019	vmi	Stock Issued During Period Value Stock Options Exercised Tax Benefit StockIssuedDuringPeriodValueStockOptionsExercisedTaxBenefit	2772000	USD
CY2019	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	60021	shares
CY2019	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	8815000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1189745000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	142149000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5608000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.80
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	38393000	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	5642000	USD
CY2020	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	53611000	USD
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	441119	shares
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	56491000	USD
CY2020	vmi	Treasury Stock Shares Acquired Stock Plan TreasuryStockSharesAcquiredStockPlan	88411	shares
CY2020	vmi	Treasury Stock Value Acquired Stock Plan Cost Method TreasuryStockValueAcquiredStockPlanCostMethod	14489000	USD
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	147014	shares
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	18961000	USD
CY2020	vmi	Stock Issued During Period Value Stock Options Exercised Tax Benefit StockIssuedDuringPeriodValueStockOptionsExercisedTaxBenefit	2628000	USD
CY2020	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	65248	shares
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	12246000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1207836000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	197725000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	45540000	USD
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.00
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	42472000	USD
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	111833	shares
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	26100000	USD
CY2021	vmi	Treasury Stock Shares Acquired Stock Plan TreasuryStockSharesAcquiredStockPlan	90292	shares
CY2021	vmi	Treasury Stock Value Acquired Stock Plan Cost Method TreasuryStockValueAcquiredStockPlanCostMethod	21547000	USD
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	169908	shares
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	23895000	USD
CY2021	vmi	Stock Issued During Period Value Stock Options Exercised Tax Benefit StockIssuedDuringPeriodValueStockOptionsExercisedTaxBenefit	2538000	USD
CY2021	us-gaap	Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures	88395	shares
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	26182000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1413597000	USD
CY2021Q4	us-gaap	Bank Overdrafts BankOverdrafts	19670000	USD
CY2020Q4	us-gaap	Bank Overdrafts BankOverdrafts	16979000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2021	us-gaap	Fiscal Period FiscalPeriod	Fiscal YearThe Company operates on a 52 or 53 week fiscal year with each year ending on the last Saturday in December. Accordingly, the Company’s fiscal years ended December 25, 2021, December 26, 2020 and December 28, 2019 consisted of 52 weeks.
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	15952000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3379000	USD
CY2021	vmi	Accounts Receivable Allowance For Credit Loss Foreign Currency Translation Adjustments AccountsReceivableAllowanceForCreditLossForeignCurrencyTranslationAdjustments	339000	USD
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	942000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	18050000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9548000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	7957000	USD
CY2020	vmi	Accounts Receivable Allowance For Credit Loss Foreign Currency Translation Adjustments AccountsReceivableAllowanceForCreditLossForeignCurrencyTranslationAdjustments	-260000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	1813000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9548000	USD
CY2021	us-gaap	Accounts Receivable Sale AccountsReceivableSale	25400000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	15952000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	8277000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2543000	USD
CY2019	vmi	Accounts Receivable Allowance For Credit Loss Foreign Currency Translation Adjustments AccountsReceivableAllowanceForCreditLossForeignCurrencyTranslationAdjustments	76000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	1196000	USD
CY2021	us-gaap	Depreciation Depreciation	70223000	USD
CY2020	us-gaap	Depreciation Depreciation	63890000	USD
CY2019	us-gaap	Depreciation Depreciation	64177000	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	27900000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	165657000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	142643000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	123495000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	213203000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	170919000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	105406000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	74319000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	165657000	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	Use of Estimates Management of the Company has made a number of estimates and assumptions relating to the reporting of assets and liabilities, the reported amounts of revenue and expenses and the disclosure of contingent assets and liabilities to prepare these financial statements in conformity with generally accepted accounting principles. Actual results could differ from those estimates.
CY2014Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	500000000	USD
CY2014Q2	us-gaap	Stock Repurchase Program Period In Force1 StockRepurchaseProgramPeriodInForce1	P12M
CY2015Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	250000000	USD
CY2018Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	250000000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	6475406	shares
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	878138000	USD
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	37000000	USD
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	21400000	USD
CY2020	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	146941000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	13900000	USD
CY2020	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	2772150000	USD
CY2020	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	6.75
CY2021	us-gaap	Restructuring Charges RestructuringCharges	23149000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Interest Paid Net InterestPaidNet	41159000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	40209000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	39032000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	60366000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	54801000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	43629000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	278107000	USD
CY2020Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	155512000	USD
CY2021Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	63628000	USD
CY2020Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	33632000	USD
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	387099000	USD
CY2020Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	259797000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	728834000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	448941000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1422101000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1341380000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	290680000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	178723000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	271042000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	170847000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	21320000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	18147000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	18087000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	10123000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	708566000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	19466000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	17692000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	15768000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	14301000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2019Q4	us-gaap	Goodwill Gross GoodwillGross	478111000	USD
CY2020	vmi	Number Of Trade Names Impaired NumberOfTradeNamesImpaired	2	tradeName
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2020Q4	us-gaap	Goodwill Gross GoodwillGross	492144000	USD
CY2020Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	61822000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	430322000	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	284253000	USD
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-6009000	USD
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	49247000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	428864000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	6138000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	12575000	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	7895000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	430322000	USD
CY2021Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	202051000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	169281000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	166108000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	58032000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1486000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	30031000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	13130000	USD
CY2021	vmi	Current Federal State Foreign Income Tax Expense Benefit Total CurrentFederalStateForeignIncomeTaxExpenseBenefitTotal	59566000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	23487000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	33750000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	260083000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	192768000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	199858000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	30431000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	27809000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	8891000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	8302000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5568000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	20644000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	12730000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4587000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-6086000	USD
CY2020	vmi	Current Federal State Foreign Income Tax Expense Benefit Total CurrentFederalStateForeignIncomeTaxExpenseBenefitTotal	51463000	USD
CY2019	vmi	Current Federal State Foreign Income Tax Expense Benefit Total CurrentFederalStateForeignIncomeTaxExpenseBenefitTotal	46507000	USD
CY2021	vmi	Noncurrent Income Tax Expense Benefit Continuing Operations NoncurrentIncomeTaxExpenseBenefitContinuingOperations	1777000	USD
CY2020	vmi	Noncurrent Income Tax Expense Benefit Continuing Operations NoncurrentIncomeTaxExpenseBenefitContinuingOperations	-451000	USD
CY2019	vmi	Noncurrent Income Tax Expense Benefit Continuing Operations NoncurrentIncomeTaxExpenseBenefitContinuingOperations	-240000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	47000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	558000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-822000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	160000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-5074000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	5511000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	1279000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	71000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1397000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.029
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61414000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	49615000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	47753000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.035
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.025
CY2021	vmi	Effective Income Tax Rate Reconciliation Carryforwards Credits And Changes In Valuation Allowances EffectiveIncomeTaxRateReconciliationCarryforwardsCreditsAndChangesInValuationAllowances	-0.015
CY2020	vmi	Effective Income Tax Rate Reconciliation Carryforwards Credits And Changes In Valuation Allowances EffectiveIncomeTaxRateReconciliationCarryforwardsCreditsAndChangesInValuationAllowances	0.016
CY2019	vmi	Effective Income Tax Rate Reconciliation Carryforwards Credits And Changes In Valuation Allowances EffectiveIncomeTaxRateReconciliationCarryforwardsCreditsAndChangesInValuationAllowances	0.010
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.001
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	0.024
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.024
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.017
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.003
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.007
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.002
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.001
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.019
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.012
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.236
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.257
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.239
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1894000	USD
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	5102000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	4651000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	2818000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	0	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Restructuring Charges IncomeTaxReconciliationNondeductibleExpenseRestructuringCharges	1100000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	21241000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	17203000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	83690000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	81912000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	134000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	30623000	USD
CY2021Q4	vmi	Deferred Tax Assets Tax Deferred Expense Reservesand Accruals Accrued Compensationand Benefits DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsAccruedCompensationandBenefits	24302000	USD
CY2020Q4	vmi	Deferred Tax Assets Tax Deferred Expense Reservesand Accruals Accrued Compensationand Benefits DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsAccruedCompensationandBenefits	23545000	USD
CY2021Q4	vmi	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	41128000	USD
CY2020Q4	vmi	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	23715000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	10893000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	13883000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	184206000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	190881000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	54256000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	44451000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	129950000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	146430000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	37686000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	35701000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	48244000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	43699000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Inventory Costs DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts	0	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Inventory Costs DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts	5705000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	41128000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	23715000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	5041000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	5248000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	132099000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	114068000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	2149000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	32362000	USD
CY2021Q4	vmi	Deferred Tax Assets Included In Refundable And Deferred Income Taxes DeferredTaxAssetsIncludedInRefundableAndDeferredIncomeTaxes	45700000	USD
CY2020Q4	vmi	Deferred Tax Assets Included In Refundable And Deferred Income Taxes DeferredTaxAssetsIncludedInRefundableAndDeferredIncomeTaxes	74051000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	47849000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	41689000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	2149000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	32362000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	vmi	Deferred Tax Assets Tax Credit And Net Operating Loss Carryforwards Resulting From Acquisitions DeferredTaxAssetsTaxCreditAndNetOperatingLossCarryforwardsResultingFromAcquisitions	83690000	USD
CY2020Q4	vmi	Deferred Tax Assets Tax Credit And Net Operating Loss Carryforwards Resulting From Acquisitions DeferredTaxAssetsTaxCreditAndNetOperatingLossCarryforwardsResultingFromAcquisitions	81912000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1864000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2300000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1315000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	6000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	240000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	398000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	183000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	749000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	650000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2664000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1864000	USD
CY2021Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	406000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	749000	USD
CY2021	vmi	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations Domestic UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitationsDomestic	592000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	650000	USD
CY2020	vmi	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations Domestic UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitationsDomestic	513000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1758000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	845000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	4324000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2547000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	7189000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	7505000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	951956000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	731179000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	4884000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2748000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	947072000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	728431000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	4884000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	601000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	179000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	20000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	218897000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	266739	shares
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	vmi	Schedule Of Share Based Compensation Nonvested Stock And Restricted Stock Unit Activity Table Textblock ScheduleOfShareBasedCompensationNonvestedStockAndRestrictedStockUnitActivityTableTextblock	During fiscal 2021, 2020 and 2019, the Company granted restricted stock units to directors and certain management employees as follows (which are not included in the above stock plan activity tables):<table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:97.050%"><tr><td style="width:1.0%"/><td style="width:71.848%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.410%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.559%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.410%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.559%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.414%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Shares granted</span></div></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">216,971 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">85,251 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">78,318 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Weighted‑average per share price on grant date</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">236.28 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">161.73 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">145.89 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:9pt;text-indent:-6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Recognized compensation expense</span></div></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">16,147 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,081 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,815 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><div style="margin-bottom:12pt;margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">During the second half of 2021, the Company granted 159,982 restricted shares, worth $36,916, to certain employees of Prospera. These restricted shares vest in equal installments over <span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjU5OWZjNjVmYTJhMDQ4MmViOGFkZDYyMzM4MGI4MTRhL3NlYzo1OTlmYzY1ZmEyYTA0ODJlYjhhZGQ2MjMzODBiODE0YV8xMzYvZnJhZzo1MmUwNzZiZWRkMzU0ZGM0Yjg1NTE0Mjg4OGRiOWFmMy90ZXh0cmVnaW9uOjUyZTA3NmJlZGQzNTRkYzRiODU1MTQyODg4ZGI5YWYzXzE3MDQyNDMwMjM2NTYy_3681c158-d993-4466-9062-2c1cd34c02ff">four</span> years, and require the employees to continue employment over those four years. As such, the related compensation expense will be incurred over the vesting period. </span></div><div style="margin-bottom:12pt;margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">At December 25, 2021 the amount of deferred stock‑based compensation granted, to be recognized over a weighted‑average period of 3.21 years, was approximately $55,838.</span></div>
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	195630000	USD
CY2021	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	195630000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21193000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	300000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21493000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.23
CY2021	vmi	Earnings Per Share Dilutive Securities Stock Options Per Share EarningsPerShareDilutiveSecuritiesStockOptionsPerShare	0.13
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.10
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	140693000	USD
CY2020	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	140693000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21315000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	110000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21425000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.60
CY2020	vmi	Earnings Per Share Dilutive Securities Stock Options Per Share EarningsPerShareDilutiveSecuritiesStockOptionsPerShare	0.03
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.57
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	146408000	USD
CY2019	us-gaap	Dilutive Securities DilutiveSecurities	0	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	146408000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21659000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	110000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21769000	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.76
CY2019	vmi	Earnings Per Share Dilutive Securities Stock Options Per Share EarningsPerShareDilutiveSecuritiesStockOptionsPerShare	0.03
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.73
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	47223	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	130704	shares
CY2021	vmi	Defined Contribution Plan Employee Contribution Limit Percentage Of Compensation DefinedContributionPlanEmployeeContributionLimitPercentageOfCompensation	0.60
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	16000000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	14800000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	12600000	USD
CY2021Q4	vmi	Deferred Compensation Liabilities Noncurrent DeferredCompensationLiabilitiesNoncurrent	29982000	USD
CY2021Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	29982000	USD
CY2020Q4	vmi	Deferred Compensation Liabilities Noncurrent DeferredCompensationLiabilitiesNoncurrent	35125000	USD
CY2020Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	35125000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Deferred Compensation Arrangement With Individual Distribution Paid DeferredCompensationArrangementWithIndividualDistributionPaid	8900000	USD
CY2020	us-gaap	Deferred Compensation Arrangement With Individual Distribution Paid DeferredCompensationArrangementWithIndividualDistributionPaid	5067000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-4007000	USD
CY2020Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-5911000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	28497000	USD
CY2020	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	4459000	USD
CY2019	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	1579000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Amendments DefinedBenefitPlanPlanAmendments	949000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	744403000	USD
CY2019Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	604396000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-140007000	USD
CY2020	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	35399000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	14787000	USD
CY2019Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	13532000	USD
CY2021	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	6444000	USD
CY2020	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	10228000	USD
CY2021	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	13534000	USD
CY2020	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	12287000	USD
CY2021	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-569000	USD
CY2020	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-804000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	12954000	USD
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	21308000	USD
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	14787000	USD
CY2021	vmi	Defined Benefit Plan Percentage Of Salary Retirement Benefits DefinedBenefitPlanPercentageOfSalaryRetirementBenefits	0.0167
CY2021	vmi	Defined Benefit Plan Age For Retirement Benefits DefinedBenefitPlanAgeForRetirementBenefits	P65Y
CY2021	vmi	Active Members Of Defined Benefit Retirement Plan ActiveMembersOfDefinedBenefitRetirementPlan	0	item
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2020Q4	us-gaap	Foreign Currency Exchange Rate Translation1 ForeignCurrencyExchangeRateTranslation1	1.356
CY2021Q4	us-gaap	Foreign Currency Exchange Rate Translation1 ForeignCurrencyExchangeRateTranslation1	1.308
CY2021Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	761706000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-536000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	vmi	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Retail Prices Index Inflation Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRetailPricesIndexInflationRate	0.0330
CY2020Q4	vmi	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Retail Prices Index Inflation Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRetailPricesIndexInflationRate	0.0290
CY2020	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	89988000	USD
CY2020	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	18212000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	18212000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-87855000	USD
CY2020	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	32224000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Assets Foreign Currency Translation Gain Loss DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss	30079000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	860173000	USD
CY2020Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	741650000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-118523000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	860173000	USD
CY2020Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	741650000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-118523000	USD
CY2021	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1924000	USD
CY2021	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	9896000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	9896000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	12954000	USD
CY2021	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	27763000	USD
CY2020	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	23215000	USD
CY2021	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	550000	USD
CY2021	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	48637000	USD
CY2021	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	22952000	USD
CY2021	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	22952000	USD
CY2021	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	77379000	USD
CY2021	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	-8032000	USD
CY2021	us-gaap	Defined Benefit Plan Plan Assets Foreign Currency Translation Gain Loss DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss	-8089000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	761706000	USD
CY2021Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	761170000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-536000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0190
CY2020Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0140
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-143726000	USD
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0205
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	-16731000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	-814000	USD
CY2020Q4	vmi	Defined Benefit Plan Accumulated Other Comprehensive Income Currency Translation Gain Loss Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeCurrencyTranslationGainLossBeforeTax	-3987000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-165258000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	102529000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	550000	USD
CY2021Q4	vmi	Defined Benefit Plan Accumulated Other Comprehensive Income Currency Translation Gain Loss Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeCurrencyTranslationGainLossBeforeTax	1239000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-60940000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0190
CY2020Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0140
CY2021Q4	vmi	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Consumer Price Index Inflation Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationConsumerPriceIndexInflationRate	0.0270
CY2020Q4	vmi	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Consumer Price Index Inflation Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationConsumerPriceIndexInflationRate	0.0200
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-14567000	USD
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-7311000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	513000	USD
CY2021	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-2750000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-2437000	USD
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0115
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0396
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0418
CY2021	vmi	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Consumer Price Index Inflation Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostConsumerPriceIndexInflationRate	0.0200
CY2020	vmi	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Consumer Price Index Inflation Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostConsumerPriceIndexInflationRate	0.0215
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	25455000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	26260000	USD
CY2021Q4	vmi	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years After Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsAfterYearFour	144400000	USD
CY2021	vmi	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Retail Price Index Inflation Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRetailPriceIndexInflationRate	0.0290
CY2020	vmi	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Retail Price Index Inflation Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRetailPriceIndexInflationRate	0.0305
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0396
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	17765000	USD
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	13100000	GBP
CY2021	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	1763000	USD
CY2021	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	1300000	GBP
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	23045000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	23850000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	24650000	USD
CY2021	vmi	Defined Benefit Plan Weighted Average Maturity Period Of Debt Portfolio DefinedBenefitPlanWeightedAverageMaturityPeriodOfDebtPortfolio	P13Y
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	80202000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	164513000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	94860000	USD
CY2021	vmi	Other Nonoperating Income Expense Including Gain Losson Investments OtherNonoperatingIncomeExpenseIncludingGainLossonInvestments	14718000	USD
CY2020	vmi	Other Nonoperating Income Expense Including Gain Losson Investments OtherNonoperatingIncomeExpenseIncludingGainLossonInvestments	5516000	USD
CY2019	vmi	Other Nonoperating Income Expense Including Gain Losson Investments OtherNonoperatingIncomeExpenseIncludingGainLossonInvestments	8164000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	260083000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	192768000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	199858000	USD
CY2021Q4	us-gaap	Assets Assets	3447249000	USD
CY2020Q4	us-gaap	Assets Assets	2953160000	USD
CY2019Q4	us-gaap	Assets Assets	2807216000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	23217000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	19087000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	16066000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	15148000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	13531000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	148326000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	235375000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	70862000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	164513000	USD
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	segment
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	761170000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	741650000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P10Y
CY2021	us-gaap	Lease Cost LeaseCost	27421000	USD
CY2020	us-gaap	Lease Cost LeaseCost	23976000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	27793000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	25390000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	86481000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	6131000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	107790000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3501575000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2895355000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2766976000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	286785000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	225953000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	227905000	USD
CY2021	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-41420000	USD
CY2020	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-38701000	USD
CY2019	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-36211000	USD
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	3600000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P17Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P11Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.040
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.035
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1500000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	12063000	USD
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-25
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	152664000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	77566000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	16754000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	14658000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	147759000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	106700000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	97425000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	92577000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	82892000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	82264000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3501575000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2895355000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2766976000	USD
CY2021Q4	us-gaap	Noncurrent Assets NoncurrentAssets	1734486000	USD
CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	1398535000	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	1374992000	USD

Files In Submission

Name	View Source	Status
0000102729-22-000008-index-headers.html	Edgar Link	pending
0000102729-22-000008-index.html	Edgar Link	pending
0000102729-22-000008.txt	Edgar Link	pending
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vmi-20211225_htm.xml	Edgar Link	completed
vmi-20211225_lab.xml	Edgar Link	unprocessable
vmi-20211225_pre.xml	Edgar Link	unprocessable

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$VMI
VALMONT INDUSTRIES INC Stock $vmi

2021 Q4 Form 10-K Financial Statement

#000010272922000008 Filed on February 23, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$VMI VALMONT INDUSTRIES INC Stock $vmi

2021 Q4 Form 10-K Financial Statement

#000010272922000008 Filed on February 23, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$VMI
VALMONT INDUSTRIES INC Stock $vmi