Certain Relationships and Related Party Transactions (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 29, 2013	Dec. 29, 2012
Related Party Transaction [Line Items]
Number of related party members in board of directors	3
Number of outside members in board of directors	2
Number of CEOs in board of directors	1
Non refundable advisory fees receivable each year if it is more than specified percentage of EBITDA	$ 3.0
Percentage of non refundable advisory fees receivable each year if it is more than specified amount	2.00%
Selling, general and administrative expenses
Related Party Transaction [Line Items]
Advisory fee	$ 3.0	$ 3.0