Basis of Presentation (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Schedule of Weeks in Period [Line Items]
Number of weeks	13	13	39	39
Minimum [Member]
Schedule of Weeks in Period [Line Items]
Number of weeks			52
Maximum [Member]
Schedule of Weeks in Period [Line Items]
Number of weeks			53