Long Term Debt - Additional Information (Detail) (USD $)	0 Months Ended		12 Months Ended			0 Months Ended				0 Months Ended		12 Months Ended			0 Months Ended	12 Months Ended				12 Months Ended
	Dec. 28, 2013	Nov. 15, 2012	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011	Dec. 28, 2013 Other Current Assets [Member]	Sep. 16, 2013 Interest Rate Cap [Member] Agreement	Sep. 16, 2013 Interest Rate Swap [Member] Agreement	May 28, 2013 Senior Secured Credit Facilities [Member]	May 28, 2013 Term loan facility [Member]	May 28, 2013 Revolving credit facility [Member]	Dec. 28, 2013 Revolving credit facility [Member]	May 28, 2013 Swing Line Loan Facility [Member]	May 28, 2013 Letter of Credit [Member]	Jan. 31, 2013 Salisbury Facility [Member]	Dec. 28, 2013 Other Expense (Income), Net [Member]	Dec. 28, 2013 Base Rate [Member]	Dec. 28, 2013 Eurodollar Rate [Member]	Aug. 05, 2013 Maximum [Member] Capital Addition Purchase Commitments [Member]	Dec. 28, 2013 Maximum [Member] Base Rate [Member]	Dec. 28, 2013 Maximum [Member] Eurodollar Rate [Member]	Dec. 28, 2013 Maximum [Member] LIBOR [Member]	Dec. 28, 2013 Minimum [Member] Base Rate [Member]	Dec. 28, 2013 Minimum [Member] Eurodollar Rate [Member]	Dec. 28, 2013 Minimum [Member] LIBOR [Member]
Line of Credit Facility [Line Items]
Amount available under credit facility									$ 105,000,000	$ 80,000,000	$ 25,000,000		$ 5,000,000	$ 10,000,000
Maturity term of credit agreement										5 years
Credit facility amortization percentage										5.00%		0.50%
Maturity term of credit agreement											5 years
Credit agreement interest rate, description																	The highest of (i) 0.50% per year above the weighted average of the rates on overnight federal funds transactions with members of the Federal Reserve System, (ii) the annual rate of interest in effect for that day as publicly announced as the "prime rate" and (iii) the one-month "eurodollar rate" (not to be less than 1.25%)	The higher of (i) 1.25% and (ii) (adjusted for reserve requirements, deposit insurance assessment rates and other regulatory costs for Eurodollar liabilities) the rate at which Eurodollar deposits in dollars for the relevant interest period
Average rate of interest payable / Borrowings bearing interest rate																	0.50%	1.25%		3.50%	4.50%		2.00%	3.00%
Applicable interest margin on LIBOR/Base Rate based on leverage ratio			3.00%	3.50%																2.50%		3.50%	2.00%		3.00%
Amortization and write-offs of deferred financing costs			1,021,000	857,000	813,000											300,000
Number of interest rate agreements							2	1
Credit agreement date			May 28, 2013
Credit agreement termination date			Jun. 23, 2011
Stock repurchase aggregate amount		20,000,000	50,000,000
Capital Expenditures																			14,000,000
Face value of debt	79,000,000		79,000,000
Debt issuance costs	3,600,000		3,600,000			1,300,000
Debt issuance cost record as discount	2,000,000		2,000,000
Debt issuance costs recorded in comprehensive income as selling general and administrative expense	300,000
Debt repaid in connection with the cash proceeds from the sale			$ 38,500,000	$ 8,000,000	$ 52,500,000										$ 7,500,000