Earnings (Loss) Per Share - Summary of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 28, 2018	Jul. 29, 2018	Apr. 29, 2018	Jan. 28, 2018	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Jan. 29, 2017	Oct. 28, 2018	Oct. 29, 2017
Numerator
Income (loss) from continuing operations	$ (2,886)	$ (11,418)	$ (7,687)	$ (10,694)	$ 39,774	$ (5,518)	$ (854)	$ (4,577)	$ (32,685)	$ 28,825
Loss from discontinued operations, net of income taxes					(1,693)	0	0	0	0	(1,693)
NET INCOME (LOSS)					$ 38,081	$ (5,518)	$ (854)	$ (4,577)	$ (32,685)	$ 27,132
Denominator
Basic weighted average number of shares (shares)	21,072	21,071	21,032	21,029	20,967	20,963	20,921	20,918	21,051	20,942
Dilutive weighted average number of shares (shares)	21,072	21,071	21,032	21,029	20,982	20,963	20,921	20,918	21,051	21,017
Per Share Data, Basic:
Income (loss) from continuing operations (USD per share)	$ (0.14)	$ (0.54)	$ (0.37)	$ (0.51)	$ 1.90	$ (0.26)	$ (0.04)	$ (0.22)	$ (1.55)	$ 1.38
Loss from discontinued operations, net of income taxes (USD per share)					(0.08)	0.00	0.00	0.00	0.00	(0.08)
Net Income (loss) (USD per share)					1.82	(0.26)	(0.04)	(0.22)	(1.55)	1.30
Per Share Data, Diluted:
Income (loss) from continuing operations, diluted (USD per share)	$ (0.14)	$ (0.54)	$ (0.37)	$ (0.51)	1.90	(0.26)	(0.04)	(0.22)	(1.55)	1.37
Loss from discontinued operations, net of income taxes (USD per share)					(0.08)	0.00	0.00	0.00	0.00	(0.08)
Net Income (loss) (USD per share)					$ 1.82	$ (0.26)	$ (0.04)	$ (0.22)	$ (1.55)	$ 1.29