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Subsequent Events (Details) (Subsequent event, Construction Agreement, USD $) In Millions, unless otherwise specified | 9 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 30, 2012 Distribution facility building, Olive Branch, Mississippi sqft | Dec. 30, 2012 Distribution facility land, Olive Branch, Mississippi acre | Dec. 31, 2012 Distribution facility building, Southaven, Mississippi sqft
SUBSEQUENT EVENTS |  |  |  |
Area (in square feet or acres) |  | 1,300,000 | 84 | 1,200,000
Total project cost after certain state grants and sale tax exemptions | $ 37.00 |  |  |

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | hele_AreaOfRealEstateProperty
Namespace Prefix: | hele_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the total project cost, net of state grants and sale tax exemptions, including the required distribution equipment and IT infrastructure. + References No definition available. + Details
Name: | hele_DistributionFacilityConstructionAgreementsProjectCostNet
Namespace Prefix: | hele_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration