Non-Cash Impairment Charges (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Jan. 31, 2015		Jan. 31, 2015		Feb. 01, 2014	Feb. 02, 2013
Asset Impairment Charges [Line Items]
Impairment charges	$ 135,157	[1]	$ 135,157	[1]	$ 0	$ 0
Goodwill
Asset Impairment Charges [Line Items]
Impairment charges			123,157
Indefinite-lived tradenames
Asset Impairment Charges [Line Items]
Impairment charges			$ 12,000

[1] Represents an impairment charge relating to goodwill and tradenames. See Note 3 - Impairment Charges for detail of impairment charges.