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Summary of Significant Accounting Policies Corporate Structure (Details)
Dec. 28, 2014
stores
Franchisor Disclosure [Line Items]  
Number of Restaurants 6,515us-gaap_NumberOfRestaurants
Entity Operated Units [Member]  
Franchisor Disclosure [Line Items]  
Number of Restaurants 957us-gaap_NumberOfRestaurants
/ us-gaap_FranchisorDisclosureAxis
= us-gaap_EntityOperatedUnitsMember
Franchised Units [Member]  
Franchisor Disclosure [Line Items]  
Number of Restaurants 5,558us-gaap_NumberOfRestaurants
/ us-gaap_FranchisorDisclosureAxis
= us-gaap_FranchisedUnitsMember
Other International | Franchised Units [Member]  
Franchisor Disclosure [Line Items]  
Number of Countries Entity Operates 27us-gaap_NumberOfCountriesInWhichEntityOperates
/ us-gaap_FranchisorDisclosureAxis
= us-gaap_FranchisedUnitsMember
/ us-gaap_StatementGeographicalAxis
= wen_OtherInternationalMember