Income Taxes (Detail) - Schedule of Effective Income Tax Rate Reconciliation	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Federal statutory tax rate	35.00%	35.00%	35.00%
State taxes, net of federal income tax benefit	1.40%	3.50%	3.70%
Non-deductible goodwill	(13.30%)	0.20%
Change in tax contingencies	0.20%		(8.00%)
Other, net	(0.40%)		(1.30%)
Effective tax rate	22.90%	38.70%	29.40%