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Segment Reporting - Narrative (Details)
Feb. 28, 2015
Ag | TEMCO, LLC  
Schedule of Equity Method Investments [Line Items]  
Ownership in equity method investment 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= chscp_TemcoLlcMember
/ us-gaap_StatementBusinessSegmentsAxis
= chscp_AgBusinessMember
Corporate and Other | Ventura Foods, LLC  
Schedule of Equity Method Investments [Line Items]  
Ownership in equity method investment 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= chscp_VenturaFoodsLlcMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateAndOtherMember
Corporate and Other | Ardent Mills [Member]  
Schedule of Equity Method Investments [Line Items]  
Ownership in equity method investment 12.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= chscp_ArdentMillsMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateAndOtherMember