Gift Cards - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Nov. 01, 2014	Oct. 26, 2013	Nov. 01, 2014	Oct. 26, 2013	May 03, 2014
Gift Cards [Line Items]
Gift card breakage	$ 5,462	$ 5,840	$ 11,133	$ 11,672
Gift card liabilities	$ 328,403	$ 313,581	$ 328,403	$ 313,581	$ 356,700