XML 29 R70.htm IDEA: XBRL DOCUMENT
v3.20.1

Acquisition of Outward, Inc. - Additional Information (Detail) - Outward Inc. | Dec. 01, 2017 USD ($)
--- | ---
Business Acquisition [Line Items] |
Contractual purchase price | $ 112,000,000
Purchase consideration | 80,812,000
Consideration owed to former owners of an acquired business, contingent upon continued future service | $ 26,690,000
Acquisition payment period | 4 years
Cash paid to settle pre-existing obligations as part of a business combination, excluded from consideration transferred | $ 4,498,000
Consideration owed to certain key employees of an acquired business, contingent upon continued future service and certain financial targets | $ 20,000,000
3-D Imaging Data and Intellectual Property |
Business Acquisition [Line Items] |
Finite lived intangible asset useful life | 4 years

X
- 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_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
Name: | us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business acquisition contingent payment period. + References No definition available. + Details
Name: | wsm_BusinessAcquisitionContingentPaymentPeriod
Namespace Prefix: | wsm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The contract value associated with the acquisition of a business. + References No definition available. + Details
Name: | wsm_BusinessAcquisitionContractValue
Namespace Prefix: | wsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cash paid to settle pre-existing obligations as part of a business combination, excluded from consideration transferred. + References No definition available. + Details
Name: | wsm_BusinessCombinationCashPaidToSettlePreexistingObligations
Namespace Prefix: | wsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Consideration owed to certain key employees of an acquired business, contingent upon continued future service and certain financial targets. + References No definition available. + Details
Name: | wsm_BusinessCombinationContingentConsiderationToCertainKeyEmployees
Namespace Prefix: | wsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Consideration owed to former owners of an acquired business, contingent upon continued future service. + References No definition available. + Details
Name: | wsm_BusinessCombinationContingentConsiderationToFormerStockholders
Namespace Prefix: | wsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=wsm_OutwardIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=wsm_ThreeDimagingDataAndIntellectualPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |