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Subsequent Events Subsequent Events (Details)
$ in Millions
3 Months Ended
Nov. 05, 2015
USD ($)
restaurant
Sep. 29, 2015
restaurant
Mar. 31, 2015
restaurant
Mar. 31, 2010
restaurant
Subsequent Event [Line Items]        
Number of impaired restaurants expected to be closed   10 5 1
Number of Impaired restaurants   25 8  
Subsequent Event [Member]        
Subsequent Event [Line Items]        
Number of restaurants closed 16      
Closure charges | $ $ 5.0