Noncontrolling Interests (Detail) - USD ($) $ in Thousands	12 Months Ended
Feb. 28, 2018	Feb. 28, 2017	Feb. 29, 2016
Noncontrolling Interest [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest	$ 32,921	$ 38,397
NET (LOSS) INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	2,630	101	$ (2,418)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(4,871)	(5,577)	(5,846)
Stockholders' Equity Attributable to Noncontrolling Interest	30,680	32,921	38,397
Austin Radio Partnership [Member]
Noncontrolling Interest [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest	46,830	47,556
NET (LOSS) INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	5,465	4,851
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(4,871)	(5,577)
Stockholders' Equity Attributable to Noncontrolling Interest	47,424	46,830	47,556
Digonex
Noncontrolling Interest [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest	(13,909)	(9,159)
NET (LOSS) INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(2,835)	(4,750)
Stockholders' Equity Attributable to Noncontrolling Interest	$ (16,744)	$ (13,909)	$ (9,159)

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(22))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(24))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.31)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Amount of Net Income (Loss) attributable to noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4J
-URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684

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