XML 106 R96.htm IDEA: XBRL DOCUMENT
v3.19.3

Derivative Financial Instruments and Hedging Activities - Narrative (Details) bbl in Millions, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2016 USD ($) | Aug. 31, 2019 USD ($) bbl | Aug. 31, 2018 USD ($) bbl | Aug. 31, 2017 USD ($)
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative Asset, Noncurrent, Excluding Fair Value Hedges |  | $ 26.6 | $ 23.1 |
Annual Payment Receivable Contingent On Investment Credit Rating |  | 5.0 |  |
Embedded Derivative, Gain on Embedded Derivative |  | 2.8 | 3.1 | $ 30.5
Payments For Credit Rating Decrease | $ 5.0 |  |  |
Embedded Derivative, Fair Value of Embedded Derivative Asset |  | 21.4 |  |
Derivative Liability, Noncurrent, Excluding Fair Value Hedges |  | $ 7.4 | $ 7.9 |
Cash Flow Hedging [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 7.7 | 1.1 |
Foreign exchange derivatives | Not Designated as Hedging Instrument |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative, Notional Amount |  | $ 894.7 | $ 988.8 |
Interest rate swap derivatives | Designated as Hedging Instrument | Fair Value Hedging [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative, Notional Amount |  | $ 365.0 | $ 495.0 |

X
- Definition Annual Payment Receivable Contingent On Investment Credit Rating + References No definition available. + Details
Name: | chscp_AnnualPaymentReceivableContingentOnInvestmentCreditRating
Namespace Prefix: | chscp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Derivative Asset, Noncurrent, Excluding Fair Value Hedges + References No definition available. + Details
Name: | chscp_DerivativeAssetNoncurrentExcludingFairValueHedges
Namespace Prefix: | chscp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Derivative Liability, Noncurrent, Excluding Fair Value Hedges + References No definition available. + Details
Name: | chscp_DerivativeLiabilityNoncurrentExcludingFairValueHedges
Namespace Prefix: | chscp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Payments For Credit Rating Decrease + References No definition available. + Details
Name: | chscp_PaymentsForCreditRatingDecrease
Namespace Prefix: | chscp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal volume used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Increase in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 15 -URI http://asc.fasb.org/subtopic&trid=2229187 + Details
Name: | us-gaap_EmbeddedDerivativeGainOnEmbeddedDerivative
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_FairValueHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |