Basis of Presentation (Details) $ in Millions	9 Months Ended
	Aug. 31, 2018 enterprise_customer Developer software_vendor	Nov. 30, 2017 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of independent software vendors | software_vendor	1,700
Number of enterprise customers | enterprise_customer	100,000
Number of developers | Developer	2,000,000
Retained Earnings | Accounting Standards Update 2016-09, Excess Tax Benefit Component
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of new accounting principle | $		$ 0.6