Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (Detail)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit	3.80%	3.80%	4.00%
Alternative minimum tax		2.10%
Non-deductible secondary offering related expenses	1.80%
Other	(0.10%)	(0.90%)	(0.20%)
Non-deductible expenses	0.20%	0.30%
Valuation allowance on deferred tax assets	(55.10%)	(39.10%)	(26.70%)
Total statutory federal income tax rate	(14.40%)	1.20%	12.10%