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Summary of Significant Accounting Policies - Concentration of Credit Risk and Revenue Recognition - Additional Information (Details) - Customer
12 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2016
Sales Revenue, Net | Customer Concentration Risk      
Concentration Risk [Line Items]      
Number of customers accounted for 10% or more of consolidated revenue 1 1 1
Accounts Receivable | Customer Concentration Risk      
Concentration Risk [Line Items]      
Number of customers exceeded 10 percent of total consolidated accounts receivable 0 1  
HP Inc | Sales Revenue, Net | Supplier Concentration Risk      
Concentration Risk [Line Items]      
Concentration risk, percentage 12.00% 13.00% 17.00%
Top Customer | Sales Revenue, Net | Customer Concentration Risk      
Concentration Risk [Line Items]      
Concentration risk, percentage 17.00% 21.00% 12.00%
Top Customer | Accounts Receivable | Customer Concentration Risk      
Concentration Risk [Line Items]      
Concentration risk, percentage   12.00%