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Long-Term Leases - Summary of Rent Expense under Operating Leases (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Operating Leases, Rent Expense, Net [Abstract]      
Minimum rent $ 53,329 $ 46,073 $ 39,348
Contingent rent 2,019 2,509 3,199
Total rent expense $ 55,348 $ 48,582 $ 42,547