BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended			9 Months Ended			9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Sep. 30, 2012 Broadcasting licenses	Dec. 31, 2012 Broadcasting licenses	Dec. 31, 2011 Broadcasting licenses	Sep. 30, 2012 Nonrecurring basis	Dec. 31, 2011 Nonrecurring basis	Sep. 30, 2012 Nonrecurring basis Broadcasting licenses	Dec. 31, 2011 Nonrecurring basis Broadcasting licenses	Dec. 31, 2011 Nonrecurring basis Umbrella licensing	Sep. 30, 2012 Nonrecurring basis Total	Dec. 31, 2011 Nonrecurring basis Total	Sep. 30, 2012 Nonrecurring basis Total Broadcasting licenses	Dec. 31, 2011 Nonrecurring basis Total Broadcasting licenses	Dec. 31, 2011 Nonrecurring basis Total Umbrella licensing	Sep. 30, 2012 Nonrecurring basis Significant Unobservable Inputs (Level 3)	Dec. 31, 2011 Nonrecurring basis Significant Unobservable Inputs (Level 3)	Sep. 30, 2012 Nonrecurring basis Significant Unobservable Inputs (Level 3) Broadcasting licenses	Dec. 31, 2011 Nonrecurring basis Significant Unobservable Inputs (Level 3) Broadcasting licenses	Dec. 31, 2011 Nonrecurring basis Significant Unobservable Inputs (Level 3) Umbrella licensing
Fair Value Measurement
Carrying amount of intangible assets					$ 86,840	$ 158,794			$ 167,069	$ 59,716	$ 53,436
Carrying amount of goodwill	177,950	165,566	244,824					130,141
Broadcasting licenses										41,458	48,136			84,566	41,458	48,136			84,566	41,458	48,136
Goodwill													58,453					58,453
Total												84,566	148,047				84,566	148,047
Impairment loss related to goodwill		(71,688)						(71,688)
Total Gains (Losses)	$ (82,503)	$ (106,382)		$ (82,503)			$ (82,503)	$ (95,246)	$ (82,503)	$ (18,258)	$ (5,300)