Future Minimum Lease Payments (Detail) (USD $) In Thousands, unless otherwise specified	May 05, 2013
Operating Leased Assets [Line Items]
Operating Lease Obligations, 1 year or less	$ 54,192
Operating Lease Obligations, 2 years	54,074
Operating Lease Obligations, 3 years	52,471
Operating Lease Obligations, 4 years	50,912
Operating Lease Obligations, 5 years	49,001
Operating Lease Obligations, Thereafter	255,805
Operating Lease Obligations, Total future payments	$ 516,455