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Summary of Significant Accounting Policies (Details 4) (Series A Special Stock)
 1 Months Ended 9 Months Ended
Jul. 31, 2010
Mar. 31, 2015
Jun. 30, 2014
Series A Special Stock
      
Series A Special Stock      
Issuance of Special A Stock in connection with acquisition (in shares) 2,750,000us-gaap_StockIssuedDuringPeriodSharesAcquisitions
/ us-gaap_StatementClassOfStockAxis
= lrn_SeriesASpecialStockMember		    
Conversion into common stock ratio   1lrn_StockConversionRatio
/ us-gaap_StatementClassOfStockAxis
= lrn_SeriesASpecialStockMember		  
Number of Series A Special stock outstanding (in shares)   0lrn_SpecialStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= lrn_SeriesASpecialStockMember		 0lrn_SpecialStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= lrn_SeriesASpecialStockMember