Equity-Based Employee Compensation (Details)	12 Months Ended
	Dec. 29, 2012		Dec. 31, 2011		Dec. 29, 2012 Maximum	Dec. 31, 2011 Maximum	Dec. 29, 2012 Minimum	Dec. 31, 2011 Minimum	Dec. 28, 2013 Monte Carlo Maximum		Dec. 28, 2013 Monte Carlo Minimum
Schedule of option pricing model
Risk-free interest rate					0.15%	0.17%	0.14%	0.05%	1.60%		0.70%
Expected volatility	44.70%	[1]	50.00%	[1]					32.00%	[1]	30.00%	[1]

[1] Expected volatility is based upon a peer group of companies given no historical data for the Units.