GOODWILL, BROADCAST LICENSES AND OTHER INTANGIBLE ASSETS: (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012	Sep. 30, 2012 Broadcast	Sep. 30, 2012 Other operating Division	Dec. 31, 2011 Other operating Division
Change in the carrying amount of goodwill related to continuing operations
Goodwill, gross	$ 1,073,690	$ 1,070,202	$ 3,488	$ 3,488
Accumulated impairment losses	(413,573)	(413,573)
Goodwill, net	660,117	656,629	3,488	3,488
Acquisition of television stations	252,641	252,641
Reclassification of goodwill to assets held for sale	(4,721)
Reclassification of amortizable intangible assets to assets held for sale		(4,721)
Goodwill, gross	1,321,610	1,318,122	3,488	3,488
Accumulated impairment losses	(413,573)	(413,573)
Goodwill, net	$ 908,037	$ 904,549	$ 3,488	$ 3,488

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 43

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 72

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+ Details

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ Details