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Rate applied, at upper range, to the undiscounted amount of asset retirement obligations at an individual site to arrive at the present value recorded as of the balance sheet date.

No definition available.

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No authoritative reference available.

No definition available.

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Rate applied, at upper range, to the undiscounted amount of environmental loss contingencies at an individual site to arrive at the present value recorded as of the balance sheet date.

No definition available.

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Inflation rate applied to compute the estimated current costs related to liabilities for environmental contingencies.

No definition available.

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- Details

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The number of reporting segments operated by the Company.

No definition available.

Name:	unf_NumberOfReportingSegments
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This element describes the maximum years the Company will discount the liability of estimated future costs to decommission one of its facilities.

No definition available.

Name:	unf_RangeOfYearsDiscountForEstimatedFutureCostsToDecommissionItsNuclearLaundryFacilitiesMaximumYears
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This element describes the minimum years the Company will discount the liability of estimated future costs to decommission one of its facilities.

No definition available.

Name:	unf_RangeOfYearsDiscountForEstimatedFutureCostsToDecommissionItsNuclearLaundryFacilitiesMinimumYears
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The maximum useful life of rental merchandise assets in service.

No definition available.

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The minimum useful life of rental merchandise assets in service.

No definition available.

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The period when the equity-based award expires as specified in the award agreement, which may be presented in a variety of ways (for example, year, month and year, day, month and year, quarter of a year).

No definition available.

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Discounted period, at lower range in years, applied to the undiscounted amount of environmental loss contingencies at an individual site to arrive at the present value recorded as of the balance sheet date.

No definition available.

Name:	unf_SiteContingencyDiscountedPeriodLowerRange
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Discounted period, at upper range in years, applied to the undiscounted amount of environmental loss contingencies at an individual site to arrive at the present value recorded as of the balance sheet date.

No definition available.

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Rate applied, at lower range, to the undiscounted amount of environmental loss contingencies at an individual site to arrive at the present value recorded as of the balance sheet date.

No definition available.

Name:	unf_SiteContingencyDiscountRateLowerRange
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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Describe the conversion features of common stock if such stock is convertible. That is, shares of common stock into which another convertible security was converted, or shares of common stock into which another class of common stock was converted.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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