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Commitments and Contingencies (Additional Information) (Details 1) $ in Millions | Nov. 30, 2017 USD ($)
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Fiscal Years 2009 Through 2011 [Member] |
Loss Contingencies Line Items |
Potential additional income tax payment due | $ 28.6
Fiscal Years 2012 through 2014 [Member] |
Loss Contingencies Line Items |
Potential additional income tax payment due | $ 5.3

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- Definition Potential income tax payment due as a result of the field examination of the Company's tax returns completed by the Internal Revenue Service. + References No definition available. + Details
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Balance Type: | credit
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- 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
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |