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INCOME TAXES - Operating loss carryforwards (Details) (USD $)
12 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Gross deferred tax assets    
Subtotals $ 17,193,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards $ 17,455,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Less portion of valuation allowance established for operating loss carryforwards (14,649,000)us-gaap_OperatingLossCarryforwardsValuationAllowance  
Total 2,544,000hele_DeferredTaxAssetsOperatingLossCarryforwardsNetOfValuationAllowance  
Required future taxable income    
Subtotals 63,220,000hele_RequiredFutureTaxableIncomeOperatingLossCarryforwards  
Less portion of valuation allowance established for operating loss carryforwards (49,393,000)hele_OperatingLossCarryforwardsValuationAllowanceFutureTaxableIncomeRequired  
Total 13,827,000hele_RequiredFutureTaxableIncomeOperatingLossCarryforwardsNetOfValuationAllowance  
U.S.    
Gross deferred tax assets    
Operating loss carryforwards with definite carryover periods 1,935,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_InternalRevenueServiceIRSMember
 
Required future taxable income    
Required future taxable income - operating loss carryforwards with definite carryover periods 6,260,000hele_RequiredFutureTaxableIncomeOperatingLossCarryforwardsSubjectToExpiration
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_InternalRevenueServiceIRSMember
 
Non-U.S.    
Gross deferred tax assets    
Operating loss carryforwards with definite carryover periods 1,848,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
 
Operating loss carryforwards with indefinite carryover periods 13,410,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
 
Required future taxable income    
Required future taxable income - operating loss carryforwards with definite carryover periods 12,203,000hele_RequiredFutureTaxableIncomeOperatingLossCarryforwardsSubjectToExpiration
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
 
Required future taxable income - operating loss carryforwards with indefinite carryover periods 44,757,000hele_RequiredFutureTaxableIncomeOperatingLossCarryforwardsNotSubjectToExpiration
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
 
Non-U.S. | Hungary    
Income tax, other disclosures    
Unrecognized tax benefit recorded $ 2,540,000us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
/ us-gaap_StatementGeographicalAxis
= country_HU