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INTANGIBLE ASSETS AND GOODWILL (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Changes in goodwill [Roll Forward]
Goodwill before cumulative loss on impairment	$ 164,465us-gaap_GoodwillGross	$ 164,718us-gaap_GoodwillGross
Accumulated loss on impairment	(125,615)	(125,615)
Beginning balance after cumulative loss on impairment	38,850us-gaap_Goodwill	39,103us-gaap_Goodwill	38,850us-gaap_Goodwill	39,103us-gaap_Goodwill
Loss on impairment during the year	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Acquisition	0us-gaap_GoodwillAcquiredDuringPeriod	0us-gaap_GoodwillAcquiredDuringPeriod
Dispositions	0	(253)
Ending balance	38,850us-gaap_Goodwill	38,850us-gaap_Goodwill
Broadcasting License Impairment Testing [Member]
Estimates and assumptions used for impairment test [Line Items]
Discount rates			9.60%	9.80%	10.00%	10.00%
Broadcasting License Impairment Testing [Member] \| Maximum
Estimates and assumptions used for impairment test [Line Items]
Operating profit margin ranges of the markets of the Company			40.80%	41.00%	40.90%	41.50%
Long-term revenue growth rate ranges of the markets of the Company			2.00%	2.00%	2.00%	2.00%
Broadcasting License Impairment Testing [Member] \| Minimum
Estimates and assumptions used for impairment test [Line Items]
Operating profit margin ranges of the markets of the Company			24.90%	25.00%	20.70%	19.50%
Long-term revenue growth rate ranges of the markets of the Company			1.50%	1.50%	1.50%	1.50%
Goodwill Impairment Testing [Member]
Estimates and assumptions used for impairment test [Line Items]
Discount rates			9.60%	9.80%	10.00%	10.00%
Goodwill Impairment Testing [Member] \| Maximum
Estimates and assumptions used for impairment test [Line Items]
Long-term revenue growth rate ranges of the markets of the Company			2.00%	2.00%	2.00%	2.00%
Market approach for step one goodwill analysis [Abstract]
Estimates of market multiples			8	8	8	8
Goodwill Impairment Testing [Member] \| Minimum
Estimates and assumptions used for impairment test [Line Items]
Long-term revenue growth rate ranges of the markets of the Company			1.50%	1.50%	1.50%	1.50%
Market approach for step one goodwill analysis [Abstract]
Estimates of market multiples			7.5	7.5	7.5	7.5
Radio Broadcasting Licences [Member]
Changes in broadcasting licenses [Line Items]
Beginning of period balance	718,542	718,656	718,542	718,656
Impairment loss	0	0
Acquisition	450	0
Dispositions	0	(114)
Ending period balance	$ 718,992	$ 718,542