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v3.19.3

Other Assets - Rollforward of Capitalized Maintenance Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 31, 2019 | Aug. 31, 2018 | Aug. 31, 2017
Capitalized Maintenance Expense [Roll Forward] |  |  |
Balance at Beginning of Year | $ 130,780 | $ 105,006 | $ 169,054
Cost Deferred | 224,406 | 87,460 | 3,010
Amortization | (68,296) | (61,686) | (67,058)
Balance at End of Year | $ 286,890 | $ 130,780 | $ 105,006

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- Definition Capitalized Maintenance Expense, Amortization + References No definition available. + Details
Name: | chscp_CapitalizedMaintenanceExpenseAmortization
Namespace Prefix: | chscp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Capitalized Maintenance Expense, Deferred During the Period + References No definition available. + Details
Name: | chscp_CapitalizedMaintenanceExpenseDeferredDuringPeriod
Namespace Prefix: | chscp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Capitalized Maintenance Expense [Roll Forward] + References No definition available. + Details
Name: | chscp_CapitalizedMaintenanceExpenseRollForward
Namespace Prefix: | chscp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Capitalized major maintenance + References No definition available. + Details
Name: | chscp_Capitalizedmajormaintenance
Namespace Prefix: | chscp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant