Intangible Assets and Goodwill - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015	Feb. 29, 2016
Intangible Assets And Goodwill [Line Items]
Impairment loss on intangible assets	$ 2,988	$ 0	$ 2,988	$ 0
Carrying amount of indefinite-lived intangibles	205,129		205,129		$ 205,129
Goodwill	12,639		12,639		14,697
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		0
Goodwill	4,603		4,603		4,603
Publishing
Intangible Assets And Goodwill [Line Items]
Impairment loss on intangible assets	0		0
Goodwill	$ 8,036		$ 8,036		8,036
Finite-Lived Intangible Assets [Member]
Intangible Assets And Goodwill [Line Items]
Impairment loss on intangible assets					$ 900