| Allowance for Doubtful Accounts | 12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Nov. 30, 2019 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Receivables [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Allowance for Doubtful Accounts | NOTE  7—ALLOWANCE FOR DOUBTFUL ACCOUNTS The activity in the allowance for doubtful accounts is as follows for the years ended November 30, 2019 and 2018:  
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| X | ||||||||||
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- Definition The entire disclosure for allowance for credit losses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- References No definition available. 
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