For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Summary of Significant Accounting Policies - Concentration of Credit Risk and Revenue Recognition - Additional Information (Details) - Customer	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
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	1	1
HP Inc \| Sales Revenue, Net \| Supplier Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	12.00%	13.00%	14.00%
Top Customer \| Sales Revenue, Net \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	17.00%	21.00%
Top Customer \| Accounts Receivable \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	11.00%