Long-Term Debt - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 03, 2016	Dec. 28, 2014
Debt Instrument [Line Items]
Credit Agreement description	On October 18, 2010, the Company entered into a credit agreement with Wells Fargo Bank, National Association (“Wells Fargo”), as administrative agent, and a syndicate of other lenders, which was amended on October 31, 2011 and December 19, 2013 (as so amended, the “Credit Agreement”). The maturity date of the Credit Agreement is December 19, 2018.
Maturity date of Credit Agreement	Dec. 19, 2018
Revolving credit facility	$ 140,000,000
First tier of increase to the borrowing capacity	165,000,000
Maximum limit of credit facility	200,000,000
Sublimit for issuances of letters of credit	50,000,000
Sublimit for swingline loans	$ 20,000,000
Percentage of eligible credit card accounts receivables	90.00%
Percentage of the value of eligible inventory	90.00%
Percentage of the value of eligible in-transit inventory	90.00%
Eligible in-transit inventory threshold	$ 10,000,000
Debt instrument, covenant description	Obligations under the Credit Facility are secured by a general lien and perfected security interest in substantially all of the Company’s assets. The Credit Agreement contains covenants that require the Company to maintain a fixed charge coverage ratio of not less than 1.0:1.0 in certain circumstances, and limit the ability
Events of default, description	The Credit Agreement contains customary events of default, including, without limitation, failure to pay when due principal amounts with respect to the Credit Facility, failure to pay any interest or other amounts under the Credit Facility for five days after becoming due, failure to comply with certain agreements or covenants contained in the Credit Agreement, failure to satisfy certain judgments against the Company, failure to pay when due (or any other default which does or may lead to the acceleration of) certain other material indebtedness in principal amount in excess of $5.0 million, and certain insolvency and bankruptcy events.
Line of Credit Facility default debt minimum amount	$ 5,000,000
Letter of credit commitments	$ 500,000	$ 500,000
Wells Fargo Bank [Member]
Debt Instrument [Line Items]
Revolving credit borrowings, interest rate	3.50%	3.25%
Revolving Credit Borrowings [Member]
Debt Instrument [Line Items]
Revolving credit borrowings, interest rate	1.90%	1.90%
Minimum [Member]
Debt Instrument [Line Items]
Fixed charge coverage ratio	100.00%
One-month LIBO rate [Member]
Debt Instrument [Line Items]
Revolving credit borrowings, interest rate	0.50%	0.20%
First Amendment to Credit Agreement [Member]
Debt Instrument [Line Items]
Credit agreement amendment date	Oct. 31, 2011
Second Amendment to Credit Agreement [Member]
Debt Instrument [Line Items]
Credit agreement amendment date	Dec. 19, 2013
Interest rate, description	the applicable margin for base rate loans (as shown below) plus the highest of (a) the Federal funds rate, as in effect from time to time, plus one-half of one percent (0.50%), (b) the LIBO rate, as adjusted to account for statutory reserves, plus one percent (1.00%), or (c) the rate of interest in effect for such day as publicly announced from time to time by Wells Fargo as its “prime rate.
Commitment fee assessed	0.25%
Second Amendment to Credit Agreement [Member] | Federal Funds Rate [Member]
Debt Instrument [Line Items]
Applicable margin in addition to variable rate	0.50%
Second Amendment to Credit Agreement [Member] | LIBO Rate [Member]
Debt Instrument [Line Items]
Applicable margin in addition to variable rate	1.00%
Wells Fargo Bank National Association [Member]
Debt Instrument [Line Items]
Remaining borrowing availability	$ 84,700,000	$ 73,200,000