CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Thousands	Jul. 29, 2017	Jan. 28, 2017
Allowance for doubtful accounts	$ 2,089	$ 1,952
Nonvoting Preferred Stock [Member]
Preferred stock, no par value (in dollars per share)
Preferred stock, authorized	10,000,000	10,000,000
Preferred stock, outstanding
Nonvoting Series A Junior Preferred Stock [Member]
Preferred stock, no par value (in dollars per share)
Preferred stock, authorized	224,594	224,594
Preferred stock, outstanding
Voting Series B Junior Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 100	$ 100
Preferred stock, authorized	50,000	50,000
Preferred stock, issued
Preferred stock, outstanding
Voting Series C Junior Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 60	$ 60
Preferred stock, authorized	50,000	50,000
Preferred stock, issued
Preferred stock, outstanding
Common Class A [Member]
Common stock, no par value (in dollars per share)
Common stock, authorized	60,000,000	60,000,000
Common stock, issued	38,085,378	37,940,040
Common stock, outstanding	38,085,378	37,940,040
Nonvoting Common Class B [Member]
Common stock, no par value (in dollars per share)
Common stock, authorized	11,500,000	11,500,000
Common stock, outstanding