Fair Value Measurements (Quantitative Information about Unobservable Inputs) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Nov. 30, 2017	Aug. 31, 2017	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2015
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of goodwill and intangible assets			$ 0	$ 92,000,000	$ 0
Impairment of goodwill and long-lived assets			762,000		$ 4,962,000
Application Development and Deployment [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of goodwill and intangible assets	$ 92,000,000			$ 92,000,000
Application Development and Deployment [Member] | Nonrecurring Basis [Member] | Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of goodwill and intangible assets	$ 92,000,000		$ 92,000,000
Purchased Technology [Member] | Nonrecurring Basis [Member] | Modulus [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impairment of goodwill and long-lived assets		$ 5,100,000