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Basis Of Presentation (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 29, 2015
Mar. 30, 2014
Dec. 28, 2014
Entity Information [Line Items]      
Number of Restaurants 659us-gaap_NumberOfRestaurants    
Number of States in which Entity Operates 15us-gaap_NumberOfStatesInWhichEntityOperates    
Weeks In Fiscal Period 13tast_WeeksInFiscalPeriod 13tast_WeeksInFiscalPeriod 52tast_WeeksInFiscalPeriod
Long-term Debt, Fair Value $ 159.4us-gaap_LongTermDebtFairValue    
Impairment Charges $ 0.5us-gaap_AssetImpairmentCharges $ 0.2us-gaap_AssetImpairmentCharges  
Minimum [Member]      
Entity Information [Line Items]      
Weeks In Fiscal Period 52tast_WeeksInFiscalPeriod
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		    
Maximum [Member]      
Entity Information [Line Items]      
Weeks In Fiscal Period 53tast_WeeksInFiscalPeriod
/ us-gaap_RangeAxis
= us-gaap_MaximumMember