Ulta Beauty, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Share Repurchase Program - Additional Information (Detail)

v2.4.1.9

Share Repurchase Program - Additional Information (Detail) (USD $)	3 Months Ended
	May 02, 2015	May 03, 2014	Sep. 11, 2014	Mar. 12, 2015
Stock Repurchase Program [Line Items]
Repurchase of common stock	$ 27,956,000
2013 Share Repurchase Program [Member]
Stock Repurchase Program [Line Items]
Shares authorized but unused amount revoked			112,664,000
2014 Share Repurchase Program [Member]
Stock Repurchase Program [Line Items]
Repurchase of common stock authorized increase				100,000,000
Repurchase of common stock, shares	192,000	0
Repurchase of common stock	27,956,000
Repurchase of common stock, average price per share	$ 145.26
2014 Share Repurchase Program [Member] \| Maximum [Member]
Stock Repurchase Program [Line Items]
Repurchase of common stock authorized amount	$ 300,000,000

- Definition

The average cost per share on common stock acquired as part of the Repurchase Plan.

+ References

No definition available.

+ Details

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- Definition

Stock Repurchase Program Additional Number Of Shares Authorized To Be Repurchased

+ References

No definition available.

+ Details

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- Details

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- Definition

The cash outflow to reacquire common stock during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

+ Details

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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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