XML 59 R44.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Business and Summary of Significant Accounting Policies - New Accounting Pronouncements - Additional Information (Details) - USD ($) $ in Thousands | Dec. 28, 2019 | Dec. 30, 2018 | Dec. 29, 2018
--- | --- | --- | ---
Accounting Policies [Line Items] |  |  |  |
Net Operating Lease, Right-of-Use Asset | $ 327,017 |  |  | $ 0
Operating Lease, Liability Current | 59,561 |  |  | 0
Operating Lease, Liability Noncurrent | 298,090 |  |  | $ 0
Accounting Standards Update 2016-02 |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Net Operating Lease, Right-of-Use Asset |  |  | $ 299,000 |
Operating Lease Liability | 357,651 | [1] | 327,000 |
Operating Lease, Liability Current | $ 60,000 |  | 52,000 |
Operating Lease, Liability Noncurrent |  |  | 275,000 |
Deferred rent and lease incentive liabilities |  |  | $ 28,000 |
[1] | Includes the current portion of $60 million for operating lease liabilities.

X
- Definition Accounting policies line items. + References No definition available. + Details
Name: | snbr_AccountingPoliciesLineItems
Namespace Prefix: | snbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred rent and lease incentive liabilities. + References No definition available. + Details
Name: | snbr_DeferredRentAndLeaseIncentiveLiabilities
Namespace Prefix: | snbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiabilityCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiabilityNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201602Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |