Restructuring Program - Narrative (Details) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended				3 Months Ended	9 Months Ended		6 Months Ended			3 Months Ended	9 Months Ended		0 Months Ended		0 Months Ended
	Apr. 30, 2014 position Stores	Nov. 01, 2014 Stores	Nov. 02, 2013	Nov. 01, 2014 Stores	Nov. 01, 2014 Stores	Nov. 02, 2013	Apr. 30, 2014 Stores	Nov. 01, 2014 Accrued Expenses and Other Current Liabilities	Nov. 01, 2014 Consulting and severance	Nov. 01, 2014 Consulting and severance	Apr. 30, 2014 Consulting and severance	Nov. 01, 2014 Impairment	May 03, 2014 Impairment	Apr. 30, 2014 Impairment	Nov. 01, 2014 Additional severance resulting from store closures	Nov. 01, 2014 Additional severance resulting from store closures	Apr. 30, 2014 Additional severance resulting from store closures	Apr. 30, 2014 Minimum	Apr. 30, 2014 Minimum	Apr. 30, 2014 Maximum	Apr. 30, 2014 Maximum
Restructuring Cost and Reserve [Line Items]
Expected stores closed							125
Number of stores closed, inception to date		11		11	11
Positions eliminated	100
Expected cost											$ 5,500,000		$ 30,500,000				$ 4,000,000		$ 40,000,000		$ 65,000,000
Expected cost in cash																		25,000,000		40,000,000
Restructuring charges		1,713,000	0	4,732,000	39,221,000	0			400,000	5,100,000		0			1,200,000	2,500,000
Restructuring liability		$ 3,220,000		$ 3,220,000	$ 3,220,000		$ 34,489,000	$ 2,700,000				$ 0		$ 30,497,000