v3.8.0.1
Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Jan. 02, 2018
Mar. 06, 2018
Jun. 28, 2016
Document Information [Line Items]      
Entity Registrant Name NOODLES & Co    
Entity Central Index Key 0001275158    
Current Fiscal Year End Date --01-02    
Entity Filer Category Accelerated Filer    
Document Type 10-K    
Document Period End Date Jan. 02, 2018    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 61.4
Class A Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   39,605,699  
Class B Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   1,522,098