Basis of Presentation (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Schedule of Weeks in Period [Line Items]
Number of weeks	13	13	26	26
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