Intangible Assets and Goodwill - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Nov. 30, 2016	Nov. 30, 2015	Nov. 30, 2016	Nov. 30, 2015	Feb. 29, 2016
Intangible Assets And Goodwill [Line Items]
Impairment loss on intangible assets	$ 0	$ 0	$ 2,988	$ 0
Carrying amount of indefinite-lived intangibles	205,100		205,100
Goodwill	4,603		4,603		$ 14,697
Indefinite-lived intangibles classified as held for sale	700		700
Goodwill [Member]
Intangible Assets And Goodwill [Line Items]
Impairment loss on intangible assets			2,100		700
Radio
Intangible Assets And Goodwill [Line Items]
Impairment loss on intangible assets			0
Goodwill	4,603		4,603		4,603
Publishing
Intangible Assets And Goodwill [Line Items]
Impairment loss on intangible assets			0
Goodwill	$ 0		$ 0		8,036
Finite-Lived Intangible Assets [Member]
Intangible Assets And Goodwill [Line Items]
Impairment loss on intangible assets					$ 900