Stockholder's Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands						3 Months Ended	9 Months Ended
	Jul. 31, 2018	May 24, 2018	Mar. 13, 2017	Feb. 09, 2017	Feb. 08, 2017	Oct. 03, 2017	Oct. 02, 2018	Oct. 03, 2017	Jan. 02, 2018	Jul. 04, 2017	Apr. 12, 2017
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)							0		0
Common stock, par value (USD per share)							$ 0.01		$ 0.01
Issuance of common stock, net of transaction expenses							$ 23,157	$ 29,110
Common Class A
Class of Stock [Line Items]
Price per share (in dollars per share)	$ 10.00
Issuance of common stock, net of transaction expenses	$ 23,800
Common stock, shares, issued (in shares)	2,500,000
Common stock, transaction expenses	$ 600
Common Class B
Class of Stock [Line Items]
Common stock, par value (USD per share)		$ 0.01
Shares converted (in shares)		1,522,098
L Catterton
Class of Stock [Line Items]
Net proceeds from issuance of private placement				$ 16,600
Transaction expenses				$ 1,900
Mill Road Capital II, L.P.
Class of Stock [Line Items]
Net proceeds from issuance of private placement						$ 29,100
Transaction expenses						$ 2,400
Mill Road Capital II, L.P. | Common Class A
Class of Stock [Line Items]
Common stock, shares, issued (in shares)			8,873,240
Fair Value, Inputs, Level 2 | L Catterton
Class of Stock [Line Items]
Fair value of warrants					$ 3,100
Embedded beneficiary conversion					$ 3,100
Common Stock | L Catterton | Common Class A
Class of Stock [Line Items]
Convertible preferred stock, shares issued upon conversion (in shares)					4,252,873						4,252,873
Amortized discount								$ 8,000
Common stock, par value (USD per share)					$ 0.01
Price per share (in dollars per share)					$ 1,000
Common Stock | Mill Road Capital II, L.P. | Common Class A
Class of Stock [Line Items]
Price per share (in dollars per share)			$ 3.55
Preferred Stock | L Catterton
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)					18,500					18,500
Proceeds from issuance of private placement					$ 18,500
Preferred Stock | Mill Road Capital II, L.P.
Class of Stock [Line Items]
Proceeds from issuance of private placement			$ 31,500
Common Stock | Warrant | L Catterton
Class of Stock [Line Items]
Number of securities called by each warrant or right (in shares)					1,913,793
Exercise price of warrants or rights (in USD per share)					$ 4.35