CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive (Loss) Income	Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of accounting change	$ 0		$ 1,351,000	$ (1,351,000)
Balance (in shares) at Oct. 29, 2017		68,677,684				(291,128)
Balance at Oct. 29, 2017	305,247,000	$ 687,000	562,277,000	(248,046,000)	$ (7,531,000)	$ (2,140,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock purchases (in shares)						(2,917,034)
Treasury stock purchases	(51,317,000)					$ (51,317,000)
Retirement of treasury shares (in shares)		(2,916,930)				2,916,930
Retirement of treasury shares	0	$ (29,000)	(51,286,000)			$ 51,315,000
Issuance of restricted stock (in shares)		397,722
Issuance of restricted stock	$ 0	$ 4,000	(4,000)			$ 181,439
Stock options exercised (in shares)	100,000	93,636
Stock options exercised	$ 1,040,000	$ 1,000	1,039,000
Foreign exchange translation loss and other, net of taxes	(79,000)		(55,000)		(24,000)
Share-based compensation	7,868,000		7,868,000
Net loss	(435,000)			(435,000)
Balance (in shares) at Apr. 29, 2018		66,252,112				(109,793)
Balance at Apr. 29, 2018	$ 262,324,000	$ 663,000	$ 521,190,000	$ (249,832,000)	$ (7,555,000)	$ (2,142,000)