Property and Equipment - Schedule of Property and Equipment (Parenthetical) (Detail) - USD ($) $ in Thousands	Jan. 28, 2017	Jan. 30, 2016
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 916,159	$ 691,027
Sale lease back liability		74,900
Accumulated amortization	234,103	175,422
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	68,400	51,100
Building and Equipment under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	7,603	8,025
Accumulated amortization	$ 1,600	$ 1,600