Line of Credit - Additional Information (Details)			4 Months Ended	12 Months Ended
	Mar. 25, 2016 USD ($) Tranches	Nov. 01, 2012 USD ($)	Jan. 31, 2015 USD ($)	Jan. 28, 2017 USD ($)	Jan. 30, 2016 USD ($)	Sep. 30, 2014 USD ($)	Apr. 07, 2017 USD ($)	Dec. 19, 2016 USD ($)	Jun. 03, 2015 USD ($)	Sep. 30, 2012 USD ($)
Line Of Credit Facility [Line Items]
Long-term debt				$ 39,702,000
Credit Facility Tranches | Tranches	2
Permitted increase in borrowings under Tranche A									$ 15,000,000
Deferred financing costs				1,173,000
Outstanding borrowings under Credit Facility			$ 0	4,600,000	$ 28,400,000	$ 0
Letters of credit			$ 6,424,000	$ 5,827,000	6,348,000	$ 6,424,000
Subsequent Event
Line Of Credit Facility [Line Items]
Minimum excess availability on Combined Loan Cap							10.00%
Minimum amount excess availability on Combined Loan Cap							$ 10,000,000
Tranche A
Line Of Credit Facility [Line Items]
Outstanding borrowings under Credit Facility					$ 22,400,000
Borrowings interest rate			3.75%	2.84%	3.05%	3.75%
Tranche A-1
Line Of Credit Facility [Line Items]
Outstanding borrowings under Credit Facility					$ 6,000,000
Borrowings interest rate			5.25%	3.43%	4.89%	5.25%
Senior Secured Revolving Credit Facility
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 70,000,000	$ 61,000,000
Revolving credit facility period		5 years
EBITDA Reserve against availability under credit facility								$ 10,000,000
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			$ 49,076,000	$ 19,374,000	$ 20,347,000	$ 49,076,000
Line of credit, outstanding borrowings			630,000	11,191,000	26,835,000	24,000
Line of credit borrowings during period			$ 5,800,000	$ 42,700,000	40,900,000	$ 1,400,000
Senior Secured Revolving Credit Facility | Credit Facility
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity					$ 76,000,000
Senior Secured Revolving Credit Facility | Tranche A
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	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]
Repayment of debt	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%
Senior Secured Revolving Credit Facility | Former Credit Facility
Line Of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity										$ 55,000,000
Term Loan
Line Of Credit Facility [Line Items]
Long-term debt	$ 32,000,000
Line of credit maturity date	Mar. 25, 2021
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%.
Term Loan | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Applicable margin rate	7.50%
Term Loan | Subsequent Event
Line Of Credit Facility [Line Items]
Additional reserve against availability under credit facility that will be reduced for prepayment of term loan							$ 5,000,000
Minimum excess availability on Combined Loan Cap							10.00%
Minimum amount excess availability on Combined Loan Cap							$ 10,000,000
Term Loan | Senior Secured Revolving Credit Facility | Subsequent Event
Line Of Credit Facility [Line Items]
Additional reserve against availability under credit facility that will be reduced for prepayment of term loan							$ 5,000,000
Term Loan | Senior Secured Revolving Credit Facility | Tranche A
Line Of Credit Facility [Line Items]
Line of credit maturity date extension				Mar. 25, 2021