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Segment Reporting - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jul. 31, 2012 Segment Store	Jul. 31, 2012 Retail Operations Website Brand Store Catalog	Jul. 31, 2011 Retail Operations	Jul. 31, 2012 Retail stores and direct-to-consumer channels Segment
Segment Reporting Information [Line Items]
Number of reporting segments	2
Number of brands		5
Number of stores		456
Number of catalogs		5
Number of web sites		9
Percentage of net sales		94.00%	94.00%
Number of department and specialty retailers	1,400
Operation Segment				1

X

- Definition

Retail Segment net sales as a percentage of total consolidated Net Sales.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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- Definition

Number Of Brands

+ References

No definition available.

+ Details

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Namespace Prefix:	urbn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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- Definition

Number of Catalogs

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Balance Type:	na
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- Definition

Number of Department and Specialty Retailers

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Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

Number of Websites

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No definition available.

+ Details

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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No definition available.

+ Details

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- Definition

Represents the number of stores.

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Balance Type:	na
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- Details

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