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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangibles (Details) (USD $)
12 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Feb. 28, 2013
Goodwill, intangible and other long-lived assets and impairments      
Impairment of Intangible Assets (Excluding Goodwill) $ 9,000,000us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill $ 12,050,000us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill  
Non cash impairment charges after tax 8,160,000hele_ImpairmentOfIntangibleAssetsExcludingGoodwillAfterTax 12,030,000hele_ImpairmentOfIntangibleAssetsExcludingGoodwillAfterTax  
Intangible asset amortization $ 25,328,000us-gaap_AmortizationOfIntangibleAssets $ 21,612,000us-gaap_AmortizationOfIntangibleAssets $ 22,400,000us-gaap_AmortizationOfIntangibleAssets
Minimum      
Economic useful lives and amortization of intangible assets      
Amortization period 2 years    
Maximum      
Economic useful lives and amortization of intangible assets      
Amortization period 30 years    
Patent      
Economic useful lives and amortization of intangible assets      
Amortization period 14 years