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Intangible Assets and Goodwill (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Aug. 31, 2016	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Intangible assets, amortization expense		$ 36,000,000	$ 33,100,000	$ 28,200,000
Application Development and Deployment
Goodwill [Line Items]
Impairment of goodwill and intangible assets		$ 0	$ 0	92,000,000
Modulus | Purchased technology
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 5,100,000			$ 5,100,000

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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