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Subsequent Events (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended 1 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Jan. 30, 2015
Subsequent Event [Line Items]      
Repurchase of company stock $ 6,610us-gaap_PaymentsForRepurchaseOfCommonStock $ 43,170us-gaap_PaymentsForRepurchaseOfCommonStock  
Common Stock      
Subsequent Event [Line Items]      
Repurchase of company stock (in shares) 4,925us-gaap_StockRepurchasedDuringPeriodShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		    
Pre-Arranged Stock Repurchase Plan, November 2014 | Common Stock | Subsequent Event      
Subsequent Event [Line Items]      
Repurchase of company stock (in shares)     1,400us-gaap_StockRepurchasedDuringPeriodShares
/ us-gaap_ShareRepurchaseProgramAxis
= lfvn_PreArrangedStockRepurchasePlanNovember2014Member
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Repurchase of company stock     $ 1,900us-gaap_PaymentsForRepurchaseOfCommonStock
/ us-gaap_ShareRepurchaseProgramAxis
= lfvn_PreArrangedStockRepurchasePlanNovember2014Member
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember