XML 42 R23.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Business and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Jan. 01, 2022
Accounting Policies [Abstract] |
Estimated Useful Lives of Property and Equipment | Estimated useful lives of our property and equipment by major asset category are as follows:
Leasehold improvements | 5 to 15 years
Furniture and equipment | 3 to 15 years
Production machinery | 3 to 7 years
Computer equipment and software | 3 to 12 years
Warranty Liabilities | The activity in the accrued warranty liabilities account was as follows (in thousands):
| 2021 |  | 2020 |  | 2019
Balance at beginning of period | $ | 12,152 |  |  | $ | 11,345 |  |  | $ | 10,389 |
Additions charged to costs and expenses for current-year sales | 16,732 |  |  | 13,387 |  |  | 10,949 |
Deductions from reserves | (18,134) |  |  | (12,158) |  |  | (11,007) |
Change in liabilities for pre-existing warranties during the current year, including expirations | (681) |  |  | (422) |  |  | 1,014 |
Balance at end of period | $ | 10,069 |  |  | $ | 12,152 |  |  | $ | 11,345 |

X
- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References No definition available. + Details
Name: | snbr_EstimatedUsefulLivesOfPropertyAndEquipmentTableTextBlock
Namespace Prefix: | snbr_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249 + Details
Name: | us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration