Commitments and Contingencies - Schedule of Total Rent Expense (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
May 02, 2015	May 03, 2014
Commitments and Contingencies Disclosure [Abstract]
Real estate taxes, insurance, common area maintenance charges and other executory costs	$ 9.4zumz_LeaseExecutoryCosts	$ 8.5zumz_LeaseExecutoryCosts

Real estate taxes, insurance, common area maintenance charges and other executory costs not included in rent expense.

No definition available.