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Employee Benefit Plans - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Jan. 31, 2015
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Feb. 01, 2014
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Feb. 02, 2013
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| Retirement Plan [Line Items] | |||
| Company match | 100.00%ulta_CompanyMatch | 100.00%ulta_CompanyMatch | 100.00%ulta_CompanyMatch |
| 401(k) Match on eligible compensation | 3.00%ulta_PercentageOfEligibleCompensation | ||
| Company match liability amount | $ 4,104ulta_CompanyMatchLiabilityAmount | $ 3,532ulta_CompanyMatchLiabilityAmount | |
| Non Qualified Deferred Compensation Plan [Member] | |||
| Retirement Plan [Line Items] | |||
| Company match |
100.00%ulta_CompanyMatch / us-gaap_DefinedContributionPlanTypeAxis = ulta_NonQualifiedDeferredCompensationPlanMember |
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| Company match liability amount |
465ulta_CompanyMatchLiabilityAmount / us-gaap_DefinedContributionPlanTypeAxis = ulta_NonQualifiedDeferredCompensationPlanMember |
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| Deferred compensation plan match |
3.00%ulta_PercentageOfSalary / us-gaap_DefinedContributionPlanTypeAxis = ulta_NonQualifiedDeferredCompensationPlanMember |
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| Deferred compensation liability included in other long term liability |
5,574us-gaap_DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent / us-gaap_DefinedContributionPlanTypeAxis = ulta_NonQualifiedDeferredCompensationPlanMember |
3,678us-gaap_DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent / us-gaap_DefinedContributionPlanTypeAxis = ulta_NonQualifiedDeferredCompensationPlanMember |
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| Investment included in deferred compensation plan assets |
$ 5,656ulta_DeferredCompensationInvestmentsFairValueDisclosure / us-gaap_DefinedContributionPlanTypeAxis = ulta_NonQualifiedDeferredCompensationPlanMember |
$ 4,294ulta_DeferredCompensationInvestmentsFairValueDisclosure / us-gaap_DefinedContributionPlanTypeAxis = ulta_NonQualifiedDeferredCompensationPlanMember |
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| X | ||||||||||
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- Definition
Company match. No definition available.
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| X | ||||||||||
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- Definition
Company match liability amount. No definition available.
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| X | ||||||||||
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- Definition
Deferred Compensation Investments Fair Value Disclosure No definition available.
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| X | ||||||||||
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- Definition
Company match percentage for the 401(k) retirement plan on eligible compensation. No definition available.
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| X | ||||||||||
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- Definition
Company match percentage for the deferred compensation plan. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable after one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date. No definition available.
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| X | ||||||||||
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- Details
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