Equity - Preferred Stock Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Preferred stock transactions
Beginning balance	$ 1,077
Ending balance	1,060	$ 1,077
Non-Redeemable Employees’ Preferred Stock
Preferred stock transactions
Beginning balance	1,146	1,345	$ 1,382
Other stock conversions	(17)	(199)	(37)
Ending balance	1,129	1,146	1,345
Employees’ Preferred Stock Purchase Accounts
Preferred stock transactions
Beginning balance	(69)	(71)	(77)
Other stock conversions	0	2	6
Ending balance	(69)	(69)	(71)
Non-Redeemable Preferred Stock
Preferred stock transactions
Beginning balance	1,077	1,274	1,305
Other stock conversions	(17)	(197)	(31)
Ending balance	$ 1,060	$ 1,077	$ 1,274