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% |