SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014 item	Dec. 31, 2013
Variable Interest Entities
Net revenues	$ 464,163,000	$ 373,881,000
CURRENT ASSETS:
Cash and cash equivalents	57,843,000	317,811,000	17,682,000	280,104,000
Accounts receivable	368,696,000		383,503,000
Current portion of program contract costs	66,405,000		88,198,000
Prepaid expenses and other current assets	33,213,000		21,338,000
Total current assets	533,777,000		526,165,000
PROGRAM CONTRACT COSTS, less current portion	30,703,000		38,531,000
PROPERTY AND EQUIPMENT, net	742,397,000		752,538,000
GOODWILL	1,951,074,000		1,964,553,000
BROADCAST LICENSES	130,915,000		135,075,000
DEFINITE-LIVED INTANGIBLE ASSETS, net	1,822,211,000		1,818,263,000
OTHER ASSETS	204,559,000		208,230,000
Total assets	5,417,479,000		5,452,172,000
CURRENT LIABILITIES:
Accounts payable	7,346,000		12,248,000
Accrued liabilities	237,709,000		246,123,000
Current portion of notes payable, capital leases and commercial bank financing	58,826,000		113,116,000
Current portion of program contracts payable	83,632,000		104,922,000
Total current liabilities	431,179,000		494,006,000
LONG-TERM LIABILITIES:
Notes payable, capital leases and commercial bank financing, less current portion	3,831,823,000		3,796,666,000
Program contracts payable, less current portion	55,013,000		60,605,000
Total liabilities	5,005,039,000		5,046,829,000
Eliminations
CURRENT ASSETS:
Total current assets	(19,933,000)		(12,991,000)
PROPERTY AND EQUIPMENT, net	(7,347,000)		(7,099,000)
Total assets	(4,729,174,000)		(4,740,259,000)
CURRENT LIABILITIES:
Total current liabilities	(23,945,000)		(16,134,000)
LONG-TERM LIABILITIES:
Total liabilities	(872,380,000)		(833,963,000)
Consolidated VIEs, aggregated
Variable Interest Entities
Number of licensees as VIEs	37		37
Net revenues	64,800,000	66,500,000
CURRENT ASSETS:
Cash and cash equivalents	492,000		491,000
Accounts receivable	18,186,000		19,521,000
Current portion of program contract costs	9,171,000		9,544,000
Prepaid expenses and other current assets	411,000		297,000
Total current assets	28,260,000		29,853,000
PROGRAM CONTRACT COSTS, less current portion	6,649,000		6,922,000
PROPERTY AND EQUIPMENT, net	9,291,000		9,716,000
GOODWILL	787,000		787,000
BROADCAST LICENSES	16,935,000		16,935,000
DEFINITE-LIVED INTANGIBLE ASSETS, net	94,799,000		96,732,000
OTHER ASSETS	2,340,000		2,376,000
Total assets	159,061,000		163,321,000
CURRENT LIABILITIES:
Accounts payable	66,000		68,000
Accrued liabilities	1,356,000		1,297,000
Current portion of notes payable, capital leases and commercial bank financing	3,666,000		3,659,000
Current portion of program contracts payable	9,127,000		9,714,000
Total current liabilities	14,215,000		14,738,000
LONG-TERM LIABILITIES:
Notes payable, capital leases and commercial bank financing, less current portion	27,721,000		28,640,000
Program contracts payable, less current portion	11,381,000		10,161,000
Long term liabilities	9,718,000		8,739,000
Total liabilities	63,035,000		62,278,000
Consolidated VIEs, aggregated | Minimum
Variable Interest Entities
Initial term of certain outsourcing agreements	5 years
Consolidated VIEs | Eliminations
LONG-TERM LIABILITIES:
Liabilities associated with the certain outsourcing agreements and purchase options	78,000,000		78,100,000
Consolidated VIEs | Eliminations | Cunningham
LONG-TERM LIABILITIES:
Total payments made under the LMA excluded from liabilities	35,200,000		34,400,000
Total capital leased liabilities excluded from VIE consolidation	$ 4,300,000		$ 4,300,000