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Business Combinations (Narrative) (Details) - USD ($)			12 Months Ended
	Jun. 01, 2017	Mar. 01, 2017	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016
Business Acquisition [Line Items]
Goodwill			$ 314,992,000	$ 315,041,000	$ 278,067,000
Stock-based compensation			20,569,000	14,153,000	22,541,000
Acquisition-related expenses			258,000	1,458,000	$ 1,240,000
Kinvey, Inc.
Business Acquisition [Line Items]
Equity interests (as a percent)	100.00%
Total purchase consideration	$ 49,200,000
Purchase consideration, contingent consideration	$ 300,000
Period for founder to remain with company (at least)	2 years
Goodwill	$ 24,351,000
Acquisition-related expenses			300,000	1,100,000
DataRPM Corporation
Business Acquisition [Line Items]
Equity interests (as a percent)		100.00%
Total purchase consideration		$ 30,000,000
Goodwill		12,583,000
Acquisition-related expenses			$ 0	400,000
Restricted Stock Units (RSUs)
Business Acquisition [Line Items]
Vesting period			3 years
Restricted Stock Units (RSUs) | DataRPM Corporation
Business Acquisition [Line Items]
Consideration payable in the form of restricted stock units		$ 1,700,000
Vesting period		2 years
Stock-based compensation			$ 100,000	$ 400,000

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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