Shareholders' Equity (Details 4) - Employee Stock Purchase Plan - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Shareholders Equity
Common stock authorized for issuance (in shares)	400,000
Purchase price of common stock as a percentage of closing market price	85.00%
Stock compensation expense (in dollars)	$ 0.2	$ 0.2	$ 0.2
Preferred Stock
Preferred stock authorized (in shares)	30,000,000	30,000,000
Preferred stock par value (in dollars per share)	$ 1.00	$ 1.00
Preferred shares outstanding (in shares)	0	0
Preferred shares issued (in shares)	0	0