XML 59 R35.htm IDEA: XBRL DOCUMENT
v3.5.0.2

EMPLOYEE STOCK OWNERSHIP PLAN (Tables) | 12 Months Ended
--- | ---
Jul. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of classification of ESOP shares | The ESOP shares were classified as follows:
| July 30, 2016 |  | August 1, 2015
| (In thousands)
Total ESOP shares—beginning of year | 1,057 |  |  | 1,595 |
Shares distributed to employees | (1,057 | ) |  | (538 | )
Total ESOP shares—end of year | — |  |  | 1,057 |
Allocated shares |  |  |  | 1,057 |
Unreleased shares | — |  |  | — |
Total ESOP shares | — |  |  | 1,057 |

X
- Definition Tabular disclosure of information pertaining to the classification of Employee Stock Ownership Plan (ESOP) shares. + References No definition available. + Details
Name: | unfi_ScheduleOfEmployeeStockOwnershipPlanESOPTableTextBlock
Namespace Prefix: | unfi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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