Business Organization and Summary Of Significant Accounting Policies - Accounting for the Impairment of Long-lived Assets and Assets Held for Sale (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Jan. 31, 2015	Jan. 31, 2015 store_closure	Feb. 01, 2014	Feb. 02, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Asset impairment charges		$ 1.3	$ 1.3	$ 1.1
Number of under-performing stores to close starting next fiscal year		120
Additional impairment charges	$ 3.2	$ 5.4