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Acquisitions - Narrative (Detail) - USD ($) |  |  |  | 3 Months Ended | 5 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Aug. 19, 2022 | Nov. 17, 2021 | Mar. 29, 2021 | Oct. 29, 2022 | Apr. 30, 2022 | Apr. 30, 2022 | Oct. 29, 2022 | Oct. 30, 2021
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  |  |  | $ 397,800,000 | $ 14,600,000
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 |  |  |
Intangible assets |  | 126,000,000.0 |  |  |  |  |  |
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] |  |  |  |  |  |  |  |
Cash consideration | $ 395,900,000 |  |  |  |  |  |  |
Cash acquired from acquisition | 16,600,000 |  |  |  |  |  |  |
Intangible assets | 102,000,000.0 |  |  |  |  |  |  |
Goodwill, expected tax deductible amount | 0 |  |  |  |  |  |  |
Acquisition and integration related costs |  |  |  | $ 1,500,000 |  |  | $ 4,100,000 |
Other carryforwards | 71,000,000 |  |  |  |  |  |  |
Blue Nile | Domestic Tax Authority |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Net operating loss | 85,000,000 |  |  |  |  |  |  |
Blue Nile | Trade names |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Intangible assets | $ 102,000,000 |  |  |  |  |  |  |

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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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