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Subsequent Events (Details) (USD $)
Feb. 28, 2015
Nov. 30, 2014
Sep. 15, 2014
Subsequent Event | Common Class A      
Subsequent Events (Details) [Line Items]      
Subsequent Event Dividend Declared Per Share (in Dollars per share) $ 0.15schl_SubsequentEventDividendDeclaredPerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember		    
UK Non-controlling      
Subsequent Events (Details) [Line Items]      
Noncontrolling Interest, Ownership Percentage by Parent   15.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_StatementBusinessSegmentsAxis
= schl_UKNoncontrollingMember		 15.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_StatementBusinessSegmentsAxis
= schl_UKNoncontrollingMember
Payments for (Proceeds from) Investments     $ 0.6schl_Proceedsforcostbasisinvestments
/ us-gaap_StatementBusinessSegmentsAxis
= schl_UKNoncontrollingMember