Reserves Related to Former Operations - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Nov. 01, 2014
Schedule Of Dispositions And Reserves Related To Former Operations [Line Items]
Decrease in reserve for lease related obligations of former operations classified as discontinued operations	$ 10,313
Former operations reserve to be paid, in years	2 years
BJ's Wholesale Club
Schedule Of Dispositions And Reserves Related To Former Operations [Line Items]
Number of leases on which company is liable	11
Bob's Stores
Schedule Of Dispositions And Reserves Related To Former Operations [Line Items]
Number of leases on which company is liable	4