XML 20 R1.htm IDEA: XBRL DOCUMENT v3.22.0.1
Cover - USD ($)
$ in Thousands
 12 Months Ended
Jan. 01, 2022
Jan. 29, 2022
Jul. 03, 2021
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Jan. 01, 2022    
Current Fiscal Year End Date --01-01    
Document Transition Report false    
Entity File Number 000-25121    
Entity Registrant Name SLEEP NUMBER CORPORATION    
Entity Incorporation, State or Country Code MN    
Entity Tax Identification Number 41-1597886    
Entity Address, Address Line One 1001 Third Avenue South    
Entity Address, City or Town Minneapolis    
Entity Address, State or Province MN    
Entity Address, Postal Zip Code 55404    
City Area Code 763    
Local Phone Number 551-7000    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol SNBR    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 1,734,376
Entity Common Stock, Shares Outstanding   22,685,000  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the registrant’s proxy statement to be furnished to shareholders in connection with its 2022 Annual Meeting of Shareholders are incorporated by reference in Part III, Items 10-14 of this Annual Report on Form 10-K.
    
Entity Central Index Key 0000827187    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false