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Acquisitions - Narrative (Detail) |  |  |  | 3 Months Ended | 5 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | ---
Aug. 19, 2022 USD ($) showroom | Nov. 17, 2021 USD ($) | Mar. 29, 2021 USD ($) | Jul. 30, 2022 USD ($) | Apr. 30, 2022 USD ($) | Apr. 30, 2022 USD ($) | Jul. 30, 2022 USD ($) | Jul. 31, 2021 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  |  |  | $ 1,900,000 | $ 14,400,000
Rocksbox |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration |  |  | $ 14,600,000 |  |  |  |  |
Diamonds Direct |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  |  | $ 503,100,000 |  |
Cash acquired from acquisition |  | $ 14,200,000 |  |  |  |  |  |
Additional payment |  |  |  |  | $ 1,900,000 |  |  |
Goodwill, expected tax deductible amount |  | 0 |  |  |  |  |  |
Diamonds Direct | Trade names |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Intangible assets |  | $ 126,000,000 |  |  |  |  |  |
Blue Nile |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquisition and integration related costs |  |  |  | $ 2,600,000 |  |  |  |
Blue Nile | Subsequent Event |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration | $ 398,200,000 |  |  |  |  |  |  |
Percentage of voting interests acquired | 100.00% |  |  |  |  |  |  |
Number of physical showrooms | showroom | 23 |  |  |  |  |  |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI https://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460 + Details
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