$UAA
Under Armour, Inc. Stock $uaa

$uaa Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000133691719000011 Filed on February 25, 2019

Income Statement

Concept	2018 Q4	2018	2017 Q4
Revenue	$1.390B	$5.193B	$1.369B
YoY Change	1.52%	4.09%	4.9%
Cost Of Revenue	$764.8M	$2.853B	$775.7M
YoY Change	-1.41%	4.2%	7.5%
Gross Profit	$625.2M	$2.340B	$593.6M
YoY Change	5.34%	3.96%	1.69%
Gross Profit Margin	44.98%	45.07%	43.35%
Selling, General & Admin	$587.4M	$2.182B	$594.7M
YoY Change	-1.23%	3.94%	41.66%
% of Gross Profit	93.95%	93.24%	100.19%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$46.80M	$173.4M	$45.20M
YoY Change	3.54%	5.54%	14.72%
% of Gross Profit	7.49%	7.41%	7.62%
Operating Expenses	$587.4M	$2.182B	$594.6M
YoY Change	-1.21%	3.94%	41.64%
Operating Profit	-$10.45M	-$25.02M	-$37.09M
YoY Change	-71.83%	-189.85%	-122.63%
Interest Expense	-$6.900M	-$22.90M	-$10.70M
YoY Change	-35.51%	-29.32%	-367.5%
% of Operating Profit
Other Income/Expense, Net	-$100.0K	-$9.203M	-$900.0K
YoY Change	-88.89%	154.65%	-93.38%
Pretax Income	-$17.50M	-$121.4M	-$48.60M
YoY Change	-63.99%	-7.67%	-131.52%
Income Tax	-$22.70M	-$20.55M	$500.0K
% Of Pretax Income
Net Earnings	$4.218M	-$46.30M	-$87.92M
YoY Change	-104.8%	-4.06%	-185.17%
Net Earnings / Revenue	0.3%	-0.89%	-6.42%
Basic Earnings Per Share	$0.01	-$0.10	-$0.20
Diluted Earnings Per Share	$0.01	-$0.10	-$199.0K
COMMON SHARES
Basic Shares Outstanding		445.8M shares
Diluted Shares Outstanding		445.8M shares

Balance Sheet

Concept	2018 Q4	2018	2017 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$557.4M	$557.4M	$312.5M
YoY Change	78.37%	78.37%	24.75%
Cash & Equivalents	$557.4M	$557.4M	$312.5M
Short-Term Investments
Other Short-Term Assets	$364.2M	$364.2M	$257.0M
YoY Change	41.71%	41.71%	47.28%
Inventory	$1.019B	$1.020B	$1.159B
Prepaid Expenses
Receivables	$652.5M	$652.5M	$609.7M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.594B	$2.594B	$2.338B
YoY Change	10.95%	10.95%	18.96%
LONG-TERM ASSETS
Property, Plant & Equipment	$826.9M	$826.9M	$885.8M
YoY Change	-6.65%	-6.65%	10.14%
Goodwill	$546.5M		$555.7M
YoY Change	-1.65%		-1.4%
Intangibles	$41.79M		$47.00M
YoY Change	-11.07%		-26.92%
Long-Term Investments
YoY Change
Other Assets	$123.8M	$236.2M	$97.44M
YoY Change	27.07%	31.08%	-11.58%
Total Long-Term Assets	$1.651B	$1.651B	$1.669B
YoY Change	-1.04%	-1.04%	-0.62%
TOTAL ASSETS
Total Short-Term Assets	$2.594B	$2.594B	$2.338B
Total Long-Term Assets	$1.651B	$1.651B	$1.669B
Total Assets	$4.245B	$4.245B	$4.006B
YoY Change	5.96%	5.96%	9.93%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$560.9M	$560.9M	$561.1M
YoY Change	-0.04%	-0.04%	36.96%
Accrued Expenses	$340.4M	$340.4M	$296.8M
YoY Change	14.68%	14.69%	42.2%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$125.0M
YoY Change	-100.0%	-100.0%
Long-Term Debt Due	$25.00M	$25.00M	$27.00M
YoY Change	-7.41%	-7.41%	0.0%
Total Short-Term Liabilities	$1.316B	$1.316B	$1.060B
YoY Change	24.1%	24.1%	54.62%
LONG-TERM LIABILITIES
Long-Term Debt	$703.8M	$703.8M	$765.0M
YoY Change	-8.0%	-8.0%	-3.21%
Other Long-Term Liabilities	$208.3M	$208.3M	$162.3M
YoY Change	28.36%	28.34%	18.27%
Total Long-Term Liabilities	$912.2M	$912.1M	$927.4M
YoY Change	-1.64%	-1.64%	-0.03%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.316B	$1.316B	$1.060B
Total Long-Term Liabilities	$912.2M	$912.1M	$927.4M
Total Liabilities	$2.228B	$2.228B	$1.988B
YoY Change	12.1%	12.1%	23.2%
SHAREHOLDERS EQUITY
Retained Earnings	$1.139B		$1.184B
YoY Change	-3.83%		-5.95%
Common Stock	$916.6M		$872.3M
YoY Change	5.09%		5.92%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.017B	$2.017B	$2.019B
YoY Change
Total Liabilities & Shareholders Equity	$4.245B	$4.245B	$4.006B
YoY Change	5.96%	5.96%	9.93%

Cashflow Statement

Concept	2018 Q4	2018	2017 Q4
OPERATING ACTIVITIES
Net Income	$4.218M	-$46.30M	-$87.92M
YoY Change	-104.8%	-4.06%	-185.17%
Depreciation, Depletion And Amortization	$46.80M	$173.4M	$45.20M
YoY Change	3.54%	5.54%	14.72%
Cash From Operating Activities	$509.4M	$628.2M	$260.3M
YoY Change	95.7%	164.56%	-23.55%
INVESTING ACTIVITIES
Capital Expenditures	-$48.70M	$170.4M	-$55.40M
YoY Change	-12.09%	-39.44%	-14.9%
Acquisitions		$0.00
YoY Change
Other Investing Activities	$0.00	-$27.90M	$0.00
YoY Change
Cash From Investing Activities	-$48.70M	-$202.9M	-$55.40M
YoY Change	-12.09%	-28.3%	-14.9%
FINANCING ACTIVITIES
Cash Dividend Paid		$0.00
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$695.0M
YoY Change		4.51%
Cash From Financing Activities	-83.20M	-$189.9M	-150.1M
YoY Change	-44.57%	-277.85%	-23.54%
NET CHANGE
Cash From Operating Activities	509.4M	$628.2M	260.3M
Cash From Investing Activities	-48.70M	-$202.9M	-55.40M
Cash From Financing Activities	-83.20M	-$189.9M	-150.1M
Net Change In Cash	377.5M	$247.9M	54.80M
YoY Change	588.87%	279.03%	-30.72%
FREE CASH FLOW
Cash From Operating Activities	$509.4M	$628.2M	$260.3M
Capital Expenditures	-$48.70M	$170.4M	-$55.40M
Free Cash Flow	$558.1M	$457.8M	$315.7M
YoY Change	76.78%	-1143.43%	-22.16%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018	dei	Entity Registrant Name EntityRegistrantName	Under Armour, Inc.
CY2018	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2018	dei	Document Type DocumentType	10-K
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Small Business EntitySmallBusiness	false
CY2018	dei	Entity Shell Company EntityShellCompany	false
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
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CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0001336917
CY2018	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-12-31
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CY2018	ua	Debt Covenant Consolidated Interest Expense Ratio DebtCovenantConsolidatedInterestExpenseRatio	3.50
CY2018	ua	Line Of Credit Facility Covenant Terms Leverage Ratio LineOfCreditFacilityCovenantTermsLeverageRatio	3.25
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CY2018	us-gaap	Maximum Remaining Maturity Of Foreign Currency Derivatives1 MaximumRemainingMaturityOfForeignCurrencyDerivatives1	P11M
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CY2016	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	2000000.0	USD
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CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	181768000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	173747000	USD
CY2016	us-gaap	Depreciation And Amortization DepreciationAndAmortization	144770000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	26413000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	145695000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	29247000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-12627000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	9893000	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	71378000	USD
CY2016	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	254000	USD
CY2017	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	254000	USD
CY2016	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-4256000	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-2313000	USD
CY2016	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-1580000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	41783000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	39932000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	46149000	USD
CY2018	ua	Excess Tax Benefit Deficiency From Sharebased Compensation Operating Activities ExcessTaxBenefitDeficiencyFromSharebasedCompensationOperatingActivities	0	USD
CY2017	ua	Excess Tax Benefit Deficiency From Sharebased Compensation Operating Activities ExcessTaxBenefitDeficiencyFromSharebasedCompensationOperatingActivities	75000	USD
CY2016	ua	Excess Tax Benefit Deficiency From Sharebased Compensation Operating Activities ExcessTaxBenefitDeficiencyFromSharebasedCompensationOperatingActivities	-44783000	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-38544000	USD
CY2017	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	55910000	USD
CY2016	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-43004000	USD
CY2018	ua	Changes In Reserves And Allowances ChangesInReservesAndAllowances	-234998000	USD
CY2017	ua	Changes In Reserves And Allowances ChangesInReservesAndAllowances	108757000	USD
CY2016	ua	Changes In Reserves And Allowances ChangesInReservesAndAllowances	70188000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-186834000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	79106000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	249853000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-109919000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	222391000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	148055000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	107855000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	52106000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	23029000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	202446000	USD
CY2018	ua	Increase Decrease In Accrued Expenses And Other Liabilities IncreaseDecreaseInAccruedExpensesAndOtherLiabilities	134594000	USD
CY2017	ua	Increase Decrease In Accrued Expenses And Other Liabilities IncreaseDecreaseInAccruedExpensesAndOtherLiabilities	109823000	USD
CY2016	ua	Increase Decrease In Accrued Expenses And Other Liabilities IncreaseDecreaseInAccruedExpensesAndOtherLiabilities	67754000	USD
CY2018	ua	Increase Decrease In Customer Refund Liability IncreaseDecreaseInCustomerRefundLiability	305141000	USD
CY2017	ua	Increase Decrease In Customer Refund Liability IncreaseDecreaseInCustomerRefundLiability	0	USD
CY2016	ua	Increase Decrease In Customer Refund Liability IncreaseDecreaseInCustomerRefundLiability	0	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	41051000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-39164000	USD
CY2016	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-16712000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	628230000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	237460000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	366623000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	170385000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	281339000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	316458000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	11285000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2018	ua	Paymentsto Acquire Property Plantand Equipmentfrom Related Parties PaymentstoAcquirePropertyPlantandEquipmentfromRelatedParties	0	USD
CY2017	ua	Paymentsto Acquire Property Plantand Equipmentfrom Related Parties PaymentstoAcquirePropertyPlantandEquipmentfromRelatedParties	0	USD
CY2016	ua	Paymentsto Acquire Property Plantand Equipmentfrom Related Parties PaymentstoAcquirePropertyPlantandEquipmentfromRelatedParties	70288000	USD
CY2018	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	39207000	USD
CY2017	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2016	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	0	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	0	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	24230000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	0	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	0	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities Equity ProceedsFromSaleOfAvailableForSaleSecuritiesEquity	30712000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	4597000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1648000	USD
CY2016	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	875000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-202904000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-282987000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-381139000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	505000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	763000000	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1327601000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	695000000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	665000000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1170750000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2743000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2781000	USD
CY2016	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	15098000	USD
CY2018	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	2580000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	11540000	USD
CY2016	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	15485000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	306000	USD
CY2017	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2016	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	11000	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2016	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6692000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	0	USD
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	0	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	2927000	USD
CY2018	us-gaap	Payments For Previous Acquisition PaymentsForPreviousAcquisition	0	USD
CY2017	us-gaap	Payments For Previous Acquisition PaymentsForPreviousAcquisition	0	USD
CY2016	us-gaap	Payments For Previous Acquisition PaymentsForPreviousAcquisition	1505000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-189868000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	106759000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	146114000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	12467000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4178000	USD
CY2016	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-8725000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	247925000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	65410000	USD
CY2016	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	122873000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	318135000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	252725000	USD
CY2015Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	129852000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	566060000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	318135000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	252725000	USD
CY2018	ua	Noncash Or Part Noncash Acquisition Change In Fixed Assets Acquired NoncashOrPartNoncashAcquisitionChangeInFixedAssetsAcquired	-14611000	USD
CY2017	ua	Noncash Or Part Noncash Acquisition Change In Fixed Assets Acquired NoncashOrPartNoncashAcquisitionChangeInFixedAssetsAcquired	10580000	USD
CY2016	ua	Noncash Or Part Noncash Acquisition Change In Fixed Assets Acquired NoncashOrPartNoncashAcquisitionChangeInFixedAssetsAcquired	16973000	USD
CY2018	ua	Noncash Dividends Paid NoncashDividendsPaid	0	USD
CY2017	ua	Noncash Dividends Paid NoncashDividendsPaid	0	USD
CY2016	ua	Noncash Dividends Paid NoncashDividendsPaid	56073000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-16738000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	36921000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	135959000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	28586000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	29750000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	21412000	USD
CY2018	us-gaap	Nature Of Operations NatureOfOperations	Description of the BusinessUnder Armour, Inc. is a developer, marketer and distributor of branded performance apparel, footwear, and accessories. The Company creates products engineered to solve problems and make athletes better, as well as digital health and fitness apps built to connect people and drive performance. The Company's products are made, sold and worn worldwide.
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	557403000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	312483000	USD
CY2018Q4	us-gaap	Restricted Cash RestrictedCash	8657000	USD
CY2017Q4	us-gaap	Restricted Cash RestrictedCash	5652000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	566060000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	318135000	USD
CY2018	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;font-style:italic;line-height:120%;">Concentration of Credit Risk</span></div><div style="text-indent:36pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;line-height:120%;">Financial instruments that subject the Company to significant concentration of credit risk consist primarily of accounts receivable. The majority of the Company’s accounts receivable is due from large retailers. Credit is extended based on an evaluation of the customer’s financial condition and collateral is not required. None of the Company's customers accounted for more than 10% of accounts receivable as of December 31, 2018. The Company's largest customer in North America accounted for 12% of accounts receivable as of December 31, 2017. For the years ended December 31, 2018 and 2017, no customer accounted for more than 10% of net revenues. The Company's largest customer accounted for 10% of net revenues for the year ended December 31, 2016.</span></div>
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	22200000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	19700000	USD
CY2018Q4	ua	Accrued Liabilities Accrued Compensation And Benefits AccruedLiabilitiesAccruedCompensationAndBenefits	130800000	USD
CY2018Q4	ua	Accrued Liabilities Accrued Marketing Expenses AccruedLiabilitiesAccruedMarketingExpenses	60100000	USD
CY2017Q4	ua	Accrued Liabilities Accrued Compensation And Benefits AccruedLiabilitiesAccruedCompensationAndBenefits	92700000	USD
CY2017Q4	ua	Accrued Liabilities Accrued Marketing Expenses AccruedLiabilitiesAccruedMarketingExpenses	47000000.0	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	55000000.0	USD
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	41100000	USD
CY2018	us-gaap	Advertising Expense AdvertisingExpense	543800000	USD
CY2017	us-gaap	Advertising Expense AdvertisingExpense	565100000	USD
CY2016	us-gaap	Advertising Expense AdvertisingExpense	477500000	USD
CY2018Q4	us-gaap	Prepaid Advertising PrepaidAdvertising	20800000	USD
CY2016Q4	us-gaap	Prepaid Advertising PrepaidAdvertising	41200000	USD
CY2018	ua	Handling Costs HandlingCosts	91800000	USD
CY2017	ua	Handling Costs HandlingCosts	101500000	USD
CY2016	ua	Handling Costs HandlingCosts	89900000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	557403000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	652546000	USD
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-align:justify;margin-top:14pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;font-style:italic;line-height:120%;">Management Estimates</span></div><div style="text-indent:36pt;text-align:justify;margin-top:5pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Arial;font-size:10pt;line-height:120%;">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates.</span></div>
CY2018	ua	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Global Intangible Low Taxed Income Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingGlobalIntangibleLowTaxedIncomeProvisionalIncomeTaxExpense	4000000.0	USD
CY2017Q4	us-gaap	Restricted Cash RestrictedCash	5700000	USD
CY2016Q4	us-gaap	Restricted Cash RestrictedCash	2300000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	1019496000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	364183000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	2593628000	USD
CY2018Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	1651394000	USD
CY2018Q4	us-gaap	Assets Assets	4245022000	USD
CY2018Q4	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	0	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	560884000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	340415000	USD
CY2018Q4	us-gaap	Customer Refund Liability Current CustomerRefundLiabilityCurrent	301421000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	25000000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	88257000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1315977000	USD
CY2018Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	912174000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	2228151000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	2016871000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4245022000	USD
CY2018	us-gaap	Revenues Revenues	5193185000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2852714000	USD
CY2018	us-gaap	Gross Profit GrossProfit	2340471000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2182339000	USD
CY2018	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	183149000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	-25017000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-33568000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-9203000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-67788000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-20552000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	934000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-46302000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-46302000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	181768000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-14023000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-4256000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	9893000	USD
CY2018	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	254000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	41783000	USD
CY2018	ua	Excess Tax Benefit Deficiency From Sharebased Compensation Operating Activities ExcessTaxBenefitDeficiencyFromSharebasedCompensationOperatingActivities	0	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-38544000	USD
CY2018	ua	Changes In Reserves And Allowances ChangesInReservesAndAllowances	-234998000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-186834000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-109919000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	107855000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	26413000	USD
CY2018	ua	Increase Decrease In Customer Refund Liability IncreaseDecreaseInCustomerRefundLiability	305141000	USD
CY2018	ua	Increase Decrease In Accrued Expenses And Other Liabilities IncreaseDecreaseInAccruedExpensesAndOtherLiabilities	134594000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	41051000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	628230000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-202904000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-189868000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	12467000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	247925000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	318135000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	566060000	USD
CY2018	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	12100000	USD
CY2017	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	30700000	USD
CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1900000	USD
CY2017	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	2100000	USD
CY2018	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	12100000	USD
CY2017	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	30700000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1482463000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1412758000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	655595000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	526984000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	826868000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	885774000	USD
CY2018	us-gaap	Depreciation Depreciation	173400000	USD
CY2017	us-gaap	Depreciation Depreciation	164300000	USD
CY2016	us-gaap	Depreciation Depreciation	130700000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	563591000	USD
CY2017	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-20730000	USD
CY2017	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	28647000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	555674000	USD
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	9180000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	546494000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	546500000	USD
CY2018Q4	us-gaap	Reporting Unit Percentage Of Fair Value In Excess Of Carrying Amount ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount	0.14
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	72703000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	35160000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	37543000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	95101000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	43616000	USD
CY2017	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	12054000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	39431000	USD
CY2018Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	4250000	USD
CY2017Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	7564000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	41793000	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	46995000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6100000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8200000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13000000.0	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	6691000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	6564000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	6235000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	6119000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	5614000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	6320000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	37543000	USD
CY2018Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	4600000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	25000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	25000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	86250000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	600000000	USD
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	736250000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	25000000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-33600000	USD
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-34500000	USD
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-26400000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1500000	USD
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1300000	USD
CY2016	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1200000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	142648000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	148171000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	154440000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	141276000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	128027000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	699262000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	1413824000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	152700000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	141200000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	109000000.0	USD
CY2018	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	14200000	USD
CY2017	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	15500000	USD
CY2016	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	13000000.0	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	24900000	USD
CY2017	ua	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	-24900000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-10500000	USD
CY2018Q4	ua	Future Minimum Payments Under Sponsorship And Other Marketing Agreements Due Within One Year FutureMinimumPaymentsUnderSponsorshipAndOtherMarketingAgreementsDueWithinOneYear	126221000	USD
CY2018Q4	ua	Future Minimum Payments Under Sponsorship And Other Marketing Agreements Due In Second Year FutureMinimumPaymentsUnderSponsorshipAndOtherMarketingAgreementsDueInSecondYear	106782000	USD
CY2018Q4	ua	Future Minimum Payments Under Sponsorship And Other Marketing Agreements Due In Third Year FutureMinimumPaymentsUnderSponsorshipAndOtherMarketingAgreementsDueInThirdYear	101543000	USD
CY2018Q4	ua	Future Minimum Payments Under Sponsorship And Other Marketing Agreements Due In Fourth Year FutureMinimumPaymentsUnderSponsorshipAndOtherMarketingAgreementsDueInFourthYear	98353000	USD
CY2018Q4	ua	Future Minimum Payments Under Sponsorship And Other Marketing Agreements Due In Fifth Year FutureMinimumPaymentsUnderSponsorshipAndOtherMarketingAgreementsDueInFifthYear	91337000	USD
CY2018Q4	ua	Future Minimum Payments Under Sponsorship And Other Marketing Agreements Due Thereafter FutureMinimumPaymentsUnderSponsorshipAndOtherMarketingAgreementsDueThereafter	210634000	USD
CY2018Q4	ua	Future Minimum Payments Under Sponsorship And Other Marketing Agreements FutureMinimumPaymentsUnderSponsorshipAndOtherMarketingAgreements	734869000	USD
CY2018	ua	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	10500000	USD
	ua	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Deferred Tax Asset Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense	14400000	USD
CY2017	ua	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense	13900000	USD
CY2018	ua	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense	12000000.0	USD
	ua	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense	25900000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-121396000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-131475000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	251321000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	53608000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	121166000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	136961000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-67788000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-10309000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	388282000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-15005000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-46931000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	116637000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3253000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-8336000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	29989000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	34975000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	34005000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	32394000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	23223000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-21262000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	179020000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-27808000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	51447000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-35748000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-6202000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	12080000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-10658000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-9765000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-4314000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1311000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-43775000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	59213000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-47717000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-20552000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37951000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	131303000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-14235000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-3608000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	135899000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-6715000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.099
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-9537000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.925
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.925
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	9447000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.024
CY2018	ua	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits Amount EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefitsAmount	-7598000	USD
CY2018	ua	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits	0.112
CY2017	ua	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits Amount EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefitsAmount	1178000	USD
CY2017	ua	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits	-0.114
CY2017	ua	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits	-0.114
CY2016	ua	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits Amount EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefitsAmount	4377000	USD
CY2016	ua	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits	0.011
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	5609000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.082
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	2246000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.218
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.218
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-5177000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.013
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	0
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	8522000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	-0.827
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	-0.827
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	0
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-12294000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.181
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-25563000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-2.480
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-2.480
CY2016	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-25768000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.066
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	33058000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.488
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	29563000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-2.903
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-2.903
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	8798000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.023
CY2018	ua	Effective Income Tax Rate Reconciliation Impact Of Tax Cuts And Jobs Act Amount EffectiveIncomeTaxRateReconciliationImpactOfTaxCutsAndJobsActAmount	1536000	USD
CY2018	ua	Effective Income Tax Rate Reconciliation Impact Of Tax Cuts And Jobs Act Percent EffectiveIncomeTaxRateReconciliationImpactOfTaxCutsAndJobsActPercent	-0.023
CY2017	ua	Effective Income Tax Rate Reconciliation Impact Of Tax Cuts And Jobs Act Amount EffectiveIncomeTaxRateReconciliationImpactOfTaxCutsAndJobsActAmount	38833000	USD
CY2017	ua	Effective Income Tax Rate Reconciliation Impact Of Tax Cuts And Jobs Act Percent EffectiveIncomeTaxRateReconciliationImpactOfTaxCutsAndJobsActPercent	-3.767
CY2017	ua	Effective Income Tax Rate Reconciliation Impact Of Tax Cuts And Jobs Act Percent EffectiveIncomeTaxRateReconciliationImpactOfTaxCutsAndJobsActPercent	-3.767
CY2016	ua	Effective Income Tax Rate Reconciliation Impact Of Tax Cuts And Jobs Act Amount EffectiveIncomeTaxRateReconciliationImpactOfTaxCutsAndJobsActAmount	0	USD
CY2016	ua	Effective Income Tax Rate Reconciliation Impact Of Tax Cuts And Jobs Act Percent EffectiveIncomeTaxRateReconciliationImpactOfTaxCutsAndJobsActPercent	0
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1079000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.016
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-3683000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.392
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.392
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	3727000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.009
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-20552000	USD
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.303
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37951000	USD
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-3.682
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-3.682
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	131303000	USD
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.338
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	47509000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	20500000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	28620000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	52745000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	23818000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	13382000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	23164000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	34542000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	21886000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	0	USD
CY2018Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	20165000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	30531000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	17555000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	18735000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	14119000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	19002000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	10274000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	11918000	USD
CY2018Q4	ua	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Inventory Obsolescence Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsInventoryObsolescenceReserves	8529000	USD
CY2017Q4	ua	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Inventory Obsolescence Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsInventoryObsolescenceReserves	5241000	USD
CY2018Q4	ua	Deferred Tax Assets Tax Credit Carryforwards State Tax Credits Net Of Federal Tax Impact DeferredTaxAssetsTaxCreditCarryforwardsStateTaxCreditsNetOfFederalTaxImpact	8432000	USD
CY2017Q4	ua	Deferred Tax Assets Tax Credit Carryforwards State Tax Credits Net Of Federal Tax Impact DeferredTaxAssetsTaxCreditCarryforwardsStateTaxCreditsNetOfFederalTaxImpact	8555000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2209000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	4340000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	226280000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	219491000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	72710000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	73544000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	153570000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	145947000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	27480000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	43924000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	11058000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	18336000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4041000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1218000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	42579000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	63478000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	110991000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	82469000	USD
CY2018Q4	ua	Cash And Cash Equivalents Held By Foreign Subsidiaries CashAndCashEquivalentsHeldByForeignSubsidiaries	165100000	USD
CY2018	us-gaap	Undistributed Earnings UndistributedEarnings	633600000	USD
CY2018	ua	Unrecognized Tax Benefits Including Interest And Penalties UnrecognizedTaxBenefitsIncludingInterestAndPenalties	60000000.0	USD
CY2017	ua	Unrecognized Tax Benefits Including Interest And Penalties UnrecognizedTaxBenefitsIncludingInterestAndPenalties	55300000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	51815000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	64359000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	42611000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1978000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	457000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	661000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1600000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	40000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	12802000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	14580000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	26482000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	13885000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	9140000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	13656000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5395000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	55855000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	51815000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	64359000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	43100000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	4200000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	3500000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	6100000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1900000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1600000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	3100000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-46302000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-48260000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	256979000	USD
CY2018	ua	Net Income Loss Attributableto Parentafter Dividends Paid NetIncomeLossAttributabletoParentafterDividendsPaid	-46302000	USD
CY2017	ua	Net Income Loss Attributableto Parentafter Dividends Paid NetIncomeLossAttributabletoParentafterDividendsPaid	-48260000	USD
CY2016	ua	Net Income Loss Attributableto Parentafter Dividends Paid NetIncomeLossAttributabletoParentafterDividendsPaid	197979000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	41800000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	39900000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	46100000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	8900000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	9000000.0	USD
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	15900000	USD
CY2018Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	99000000.0	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.028
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.021
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.014
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P6Y6M
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P6Y6M
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P6Y6M
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.404
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.396
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.395
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3782000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4265000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	9.63
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6008000	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.26
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	579000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	15.41
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	734000	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	19.04
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	335000	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	36.05
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1262000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	5.53
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1046000	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.72
CY2016	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1763000	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.52
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	367000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	35.55
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	171000	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	17.59
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	315000	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	26.26
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2732000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.98
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3782000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.71
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4265000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	9.63
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1366000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	7.70
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2512000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	5.85
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3385000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	4.30
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2732000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.98
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y2M1D
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	16148000	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1366000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	7.70
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P1Y11M26D
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	15708000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	9900000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7400000	USD
CY2016	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	9000000.0	USD
CY2018Q4	ua	Deferred Compensation Plan Obligations Fair Value Disclosure DeferredCompensationPlanObligationsFairValueDisclosure	7000000.0	USD
CY2017Q4	ua	Deferred Compensation Plan Obligations Fair Value Disclosure DeferredCompensationPlanObligationsFairValueDisclosure	8000000.0	USD
CY2018Q4	ua	Trust Owned Life Insurance Policies Fair Value Disclosure TrustOwnedLifeInsurancePoliciesFairValueDisclosure	5300000	USD
CY2017Q4	ua	Trust Owned Life Insurance Policies Fair Value Disclosure TrustOwnedLifeInsurancePoliciesFairValueDisclosure	5800000	USD
CY2018Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	671200000	USD
CY2018	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss Reclassified To Earnings Net ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet	1300000	USD
CY2017	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss Reclassified To Earnings Net ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet	-400000	USD
CY2016Q2	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	70300000	USD
CY2018	us-gaap	Revenues Revenues	5193185000	USD
CY2017	us-gaap	Revenues Revenues	4989244000	USD
CY2016	us-gaap	Revenues Revenues	4833338000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	-25017000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	27843000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	417471000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-33568000	USD
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-34538000	USD
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-26434000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-9203000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3614000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2755000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-67788000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-10309000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	388282000	USD
CY2018Q4	us-gaap	Noncurrent Assets NoncurrentAssets	826868	USD
CY2017Q4	us-gaap	Noncurrent Assets NoncurrentAssets	885774	USD
CY2018	us-gaap	Revenues Revenues	5193185000	USD
CY2017	us-gaap	Revenues Revenues	4989244000	USD
CY2016	us-gaap	Revenues Revenues	4833338000	USD
CY2018	us-gaap	Revenues Revenues	5193185000	USD
CY2017	us-gaap	Revenues Revenues	4989244000	USD
CY2016	us-gaap	Revenues Revenues	4833338000	USD
CY2018Q1	us-gaap	Revenues Revenues	1185370000	USD
CY2018Q2	us-gaap	Revenues Revenues	1174859000	USD
CY2018Q3	us-gaap	Revenues Revenues	1442976000	USD
CY2018Q4	us-gaap	Revenues Revenues	1389980000	USD
CY2018	us-gaap	Revenues Revenues	5193185000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	523453000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	526584000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	665207000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	625227000	USD
CY2018	us-gaap	Gross Profit GrossProfit	2340471000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-28661000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-104875000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	118966000	USD
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-10447000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	-25017000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	-30242000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	-95544000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	75266000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	4218000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-46302000	USD
CY2017Q1	us-gaap	Revenues Revenues	1119845000	USD
CY2017Q2	us-gaap	Revenues Revenues	1091192000	USD
CY2017Q3	us-gaap	Revenues Revenues	1408991000	USD
CY2017Q4	us-gaap	Revenues Revenues	1369216000	USD
CY2017	us-gaap	Revenues Revenues	4989244000	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	507937000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	501193000	USD
CY2017Q3	us-gaap	Gross Profit GrossProfit	648726000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	593558000	USD
CY2017	us-gaap	Gross Profit GrossProfit	2251414000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	7536000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-4785000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	62180000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-37088000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	27843000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	-2272000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	-12308000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	54242000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	-87922000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-48260000	USD
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.03
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.12
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.20
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.11

Files In Submission

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0001336917-19-000011-index-headers.html	Edgar Link	pending
0001336917-19-000011-index.html	Edgar Link	pending
0001336917-19-000011.txt	Edgar Link	pending
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ua-12312018xex1010.htm	Edgar Link	pending
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ua-20181231_htm.xml	Edgar Link	completed
ua-20181231_lab.xml	Edgar Link	unprocessable
ua-20181231_pre.xml	Edgar Link	unprocessable

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$UAA
Under Armour, Inc. Stock $uaa

2018 Q4 Form 10-K Financial Statement

#000133691719000011 Filed on February 25, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$UAA Under Armour, Inc. Stock $uaa

2018 Q4 Form 10-K Financial Statement

#000133691719000011 Filed on February 25, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$UAA
Under Armour, Inc. Stock $uaa