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Business and Summary of Significant Accounting Policies (Business and Fiscal Year) (Details) (USD $)
9 Months Ended 12 Months Ended 0 Months Ended 3 Months Ended
Oct. 01, 2013
Dec. 30, 2014
segment
state
Dec. 31, 2013
Jan. 01, 2013
Dec. 05, 2013
Dec. 31, 2013
Oct. 01, 2013
Dec. 27, 2010
Organization [Line Items]                
Number of states in which Noodles & Company operates   32us-gaap_NumberOfStatesInWhichEntityOperates            
Number of operating segments   1us-gaap_NumberOfOperatingSegments            
Number of reportable segments   1us-gaap_NumberOfReportableSegments            
Common stock, par value (USD per share)   $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare     0.01us-gaap_CommonStockParOrStatedValuePerShare    
Repayments of long term debt $ 200,000us-gaap_RepaymentsOfLongTermDebt              
Collaborative group, ownership percentage               90.00%ndls_CollaborativeGroupOwnershipPercentage
Number of weeks in fiscal year   364 days 364 days 71 days        
Minimum [Member]                
Organization [Line Items]                
Number of weeks in fiscal year   364 days            
Maximum [Member]                
Organization [Line Items]                
Number of weeks in fiscal year   371 days            
Company-Owned [Member]                
Organization [Line Items]                
Number of restaurants   386us-gaap_NumberOfRestaurants
/ us-gaap_FranchisorDisclosureAxis
= us-gaap_EntityOperatedUnitsMember
           
Franchise [Member]                
Organization [Line Items]                
Number of restaurants   53us-gaap_NumberOfRestaurants
/ us-gaap_FranchisorDisclosureAxis
= us-gaap_FranchisedUnitsMember
62us-gaap_NumberOfRestaurants
/ us-gaap_FranchisorDisclosureAxis
= us-gaap_FranchisedUnitsMember
51us-gaap_NumberOfRestaurants
/ us-gaap_FranchisorDisclosureAxis
= us-gaap_FranchisedUnitsMember
  62us-gaap_NumberOfRestaurants
/ us-gaap_FranchisorDisclosureAxis
= us-gaap_FranchisedUnitsMember
   
IPO [Member]                
Organization [Line Items]                
Issuance of common stock, net of transaction expenses 100,200,000us-gaap_ProceedsFromIssuanceInitialPublicOffering
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
             
Over-Allotment Option [Member]                
Organization [Line Items]                
Issuance of common stock, net of transaction expenses, shares 803,571us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= ndls_OverAllotmentOptionMember
             
Follow On [Member]                
Organization [Line Items]                
Issuance of common stock, net of transaction expenses, shares         108,267us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= ndls_IPOFollowOnMember
108,267us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= ndls_IPOFollowOnMember
   
Payments for initial public offering         $ 696,000us-gaap_PaymentsForRepurchaseOfInitialPublicOffering
/ us-gaap_SubsidiarySaleOfStockAxis
= ndls_IPOFollowOnMember
     
Class A Common Stock [Member]                
Organization [Line Items]                
Common stock, par value (USD per share)   $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
           
Class A Common Stock [Member] | IPO [Member]                
Organization [Line Items]                
Share price (USD per share) $ 18.00us-gaap_SharePrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
          $ 18.00us-gaap_SharePrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
 
Issuance of common stock, net of transaction expenses, shares             6,160,714us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
 
Common stock, par value (USD per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
          $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
 
Class A Common Stock [Member] | Follow On [Member]                
Organization [Line Items]                
Share price (USD per share)         $ 39.50us-gaap_SharePrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_SubsidiarySaleOfStockAxis
= ndls_IPOFollowOnMember
     
Issuance of common stock, net of transaction expenses, shares         4,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_SubsidiarySaleOfStockAxis
= ndls_IPOFollowOnMember
     
Catterton and Argentia [Member]                
Organization [Line Items]                
Collaborative group, ownership percentage   51.00%ndls_CollaborativeGroupOwnershipPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_InvestorMember