Line of Credit - Additional Information (Details)					4 Months Ended	12 Months Ended		13 Months Ended
	Mar. 25, 2016 USD ($)	Jan. 30, 2016 USD ($) Tranches	Jun. 03, 2015 USD ($)	Nov. 01, 2012 USD ($)	Jan. 31, 2015 USD ($)	Jan. 30, 2016 USD ($) Tranches	Sep. 30, 2014 USD ($)	Nov. 01, 2012 USD ($)	Mar. 26, 2016 USD ($)
Line Of Credit Facility [Line Items]
Long-term debt		$ 44,199,000				$ 44,199,000
Credit Facility Tranches | Tranches		2				2
Permitted increase in borrowings under Tranche A			$ 15,000,000
Minimum excess availability on Loan Cap						10.00%
Minimum amount excess availability on Loan Cap		$ 5,000,000				$ 5,000,000
Deferred financing costs		1,145,000				1,145,000
Applicable margin for Base rate borrowings using LIBOR								1.75%
Outstanding borrowings under Credit Facility		28,400,000			$ 0	28,400,000	$ 0
Letters of credit		6,348,000			$ 6,424,000	6,348,000	$ 6,424,000
Subsequent Event
Line Of Credit Facility [Line Items]
Outstanding borrowings under Credit Facility									$ 10,700,000
Letters of credit									6,348,000
Prior Credit Facility
Line Of Credit Facility [Line Items]
Applicable margin rate								0.75%
Tranche A
Line Of Credit Facility [Line Items]
Outstanding borrowings under Credit Facility		22,400,000				$ 22,400,000
Borrowings interest rate					3.75%	3.05%	3.75%
Tranche A-1
Line Of Credit Facility [Line Items]
Outstanding borrowings under Credit Facility		6,000,000				$ 6,000,000
Borrowings interest rate					5.25%	4.89%	5.25%
Senior Secured Revolving Credit Facility
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity				$ 61,000,000				$ 61,000,000
Revolving credit facility period				5 years
Unused line fee under the Credit Facility						0.25%
Credit Facility Description of Variable Rate Basis						The interest rate on outstanding borrowings is equal to, at the Company’s election, either 1) the lender’s base rate plus the applicable margin, or 2) a LIBOR rate plus the applicable margin. The applicable margin for base rate borrowings is 0.50% for Tranche A borrowings and was 2.00% for Tranche A-1 borrowings. The applicable margin for LIBOR rate borrowings is 1.50% for Tranche A borrowings and was 3.00% for Tranche A-1 borrowings.
Line of credit availability		20,347,000			$ 49,076,000	$ 20,347,000	$ 49,076,000
Line of credit, outstanding borrowings					630,000	26,835,000	24,000
Line of credit borrowings during period					$ 5,800,000	40,900,000	$ 1,400,000
Senior Secured Revolving Credit Facility | Subsequent Event
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity									70,000,000
Line of credit availability									42,189,000
Senior Secured Revolving Credit Facility | Prior Credit Facility
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity				$ 55,000,000				$ 55,000,000
Senior Secured Revolving Credit Facility | Credit Facility
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity		76,000,000				76,000,000
Senior Secured Revolving Credit Facility | Tranche A
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity		70,000,000				$ 70,000,000
Line of credit maturity date						Nov. 01, 2017
Line of credit maturity date extension						Aug. 25, 2020
Senior Secured Revolving Credit Facility | Tranche A | Base Rate
Line Of Credit Facility [Line Items]
Applicable margin rate						0.50%
Senior Secured Revolving Credit Facility | Tranche A | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Applicable margin rate						1.50%
Senior Secured Revolving Credit Facility | Tranche A-1
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity		$ 6,000,000				$ 6,000,000
Senior Secured Revolving Credit Facility | Tranche A-1 | Base Rate
Line Of Credit Facility [Line Items]
Applicable margin rate						2.00%
Senior Secured Revolving Credit Facility | Tranche A-1 | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Applicable margin rate						3.00%
Term Loan
Line Of Credit Facility [Line Items]
Minimum excess availability on Loan Cap		10.00%
Credit Facility Description of Variable Rate Basis						The interest rate on the Term Loan is equal to a LIBOR rate (with a 1.00% LIBOR floor) plus 7.50%.
Minimum amount excess availability on Loan Cap		$ 5,000,000				$ 5,000,000
Deferred financing costs		$ 1,100,000				$ 1,100,000
Term Loan | Subsequent Event
Line Of Credit Facility [Line Items]
Long-term debt	$ 32,000,000								$ 32,000,000
Line of credit maturity date	Mar. 21, 2021
Term Loan | Subsequent Event | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Applicable margin rate	7.50%
Term Loan | Senior Secured Revolving Credit Facility | Tranche A
Line Of Credit Facility [Line Items]
Line of credit maturity date extension						Mar. 25, 2021