XML 63 R49.htm IDEA: XBRL DOCUMENT
v3.25.1

Revenue Recognition - Schedule of Sales Return Liability (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 29, 2025 | Mar. 30, 2024
Sales Return Liability [Roll Forward] |  |
Balance at beginning of year | $ 19,092 | $ 22,402
Additions that reduce net sales | 18,787 | 25,470
Deductions from reserves | (21,102) | (25,457)
Balance at end of period | $ 16,777 | $ 22,415

X
- Definition Contract with customer refund liability additions. + References No definition available. + Details
Name: | snbr_ContractWithCustomerRefundLiabilityAdditions
Namespace Prefix: | snbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Contract with customer refund liability deductions. + References No definition available. + Details
Name: | snbr_ContractWithCustomerRefundLiabilityDeductions
Namespace Prefix: | snbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | snbr_SalesReturnLiabilityRollForward
Namespace Prefix: | snbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 27 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479777/606-10-55-27 + Details
Name: | us-gaap_ContractWithCustomerRefundLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant