Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended		11 Months Ended	1 Months Ended
	Dec. 29, 2012 Minimum	Dec. 29, 2012 Maximum	Dec. 31, 2011 Successor	Jan. 28, 2011 Predecessor	Jan. 28, 2011 Parent Company
Basis of Presentation [Line Items]
Aggregrate purchase price of company					$ 403.5
Number of weeks in fiscal period	P52W	P53W	P48W	P4W
Number of weeks in fiscal quarter	P13W	P14W