XML 42 R36.htm IDEA: XBRL DOCUMENT
v3.25.3

Cash, Cash Equivalents and Marketable Securities - Additional Information (Detail) | 9 Months Ended
--- | ---
Nov. 01, 2025
Cash And Cash Equivalents [Abstract] |
Effective maturity period or weighted average life | 5 years

X
- References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Marketable securities maximum maturity period. + References No definition available. + Details
Name: | zumz_MarketableSecuritiesMaximumMaturityPeriod
Namespace Prefix: | zumz_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration