Intangible Assets and Goodwill (Narrative) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Nov. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible assets, amortization expense	$ 7,100,000	$ 7,800,000
Goodwill impairment loss			$ 0