Shareholders' Equity (Schedule of Stock Options Granted) (Details) - USD ($)	12 Months Ended
	Jan. 31, 2016	Feb. 01, 2015	Feb. 02, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value per share of options granted	$ 12.49	$ 12.07	$ 11.17
Total number of options granted	68,900	88,300	251,000
Total fair value of all options granted	$ 860,300	$ 1,065,200	$ 2,804,800