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v3.5.0.2

Other Assets - Rollforward of Capitalized Maintenance Activity (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Aug. 31, 2016 | Aug. 31, 2015 | Aug. 31, 2014 | Aug. 31, 2013
Capitalized Maintenance Expense [Roll Forward] |  |  |  |
Cost Deferred | $ 949 | $ 219,898 | $ 3,305 |
Amortization | (73,483) | (45,953) | (45,070) |
Capitalized major maintenance | $ 169,054 | $ 241,588 | $ 67,643 | $ 109,408
Minimum | Major Maintenance Activities Requiring Shutdown |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 2 years |  |  |

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

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

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |