Noncontrolling Interests (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014
Noncontrolling Interest [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest	$ 46,661	$ 47,618
NET INCOME (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(2,418)	3,274	$ 5,174
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(5,846)	(5,428)	(4,620)
Acquisition of noncontrolling interest		1,197
Stockholders' Equity Attributable to Noncontrolling Interest	38,397	46,661	47,618
Austin Radio Partnership [Member]
Noncontrolling Interest [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest	47,883	47,604
NET INCOME (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTERESTS	5,519	5,697
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(5,846)	(5,418)
Stockholders' Equity Attributable to Noncontrolling Interest	47,556	47,883	47,604
Digonex
Noncontrolling Interest [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest	(1,222)	0
NET INCOME (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(7,937)	(2,419)
Acquisition of noncontrolling interest		1,197
Stockholders' Equity Attributable to Noncontrolling Interest	(9,159)	(1,222)	0
Other Affiliates [Member]
Noncontrolling Interest [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest	0	14
NET INCOME (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTERESTS		(4)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders		(10)
Stockholders' Equity Attributable to Noncontrolling Interest	$ 0	$ 0	$ 14