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v3.22.1

REVENUES (Details) | 12 Months Ended
--- | ---
Jan. 29, 2022 | Jan. 30, 2021 | Feb. 01, 2020
Product Information [Line Items] |  |  |
Percentage of net sales | 100.00% | 100.00% | 100.00%
Denims [Member] |  |  |
Product Information [Line Items] |  |  |
Percentage of net sales | 39.60% | 40.10% | 40.70%
Tops (including sweaters) [Member] |  |  |
Product Information [Line Items] |  |  |
Percentage of net sales | 30.20% | 30.10% | 32.20%
Footwear [Member] |  |  |
Product Information [Line Items] |  |  |
Percentage of net sales | 9.70% | 10.20% | 8.00%
Accessories [Member] |  |  |
Product Information [Line Items] |  |  |
Percentage of net sales | 9.30% | 9.00% | 8.90%
Sportswear / Fashions [Member] |  |  |
Product Information [Line Items] |  |  |
Percentage of net sales | 5.90% | 5.80% | 5.50%
Outerwear [Member] |  |  |
Product Information [Line Items] |  |  |
Percentage of net sales | 1.90% | 1.90% | 2.00%
Casual bottoms [Member] |  |  |
Product Information [Line Items] |  |  |
Percentage of net sales | 0.90% | 0.90% | 1.10%
Youth [Member] |  |  |
Product Information [Line Items] |  |  |
Percentage of net sales | 2.50% | 2.00% | 1.60%

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- Definition Aggregate percentage of revenue during the period from sale of goods and services in the normal course of business, after deducting returns, allowances and discounts. + References No definition available. + Details
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Namespace Prefix: | bke_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ProductInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=bke_TopsAndSweatersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=bke_FootwearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=bke_AccessoriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=bke_OuterwearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=bke_CasualBottomsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=bke_YouthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |