Property, Plant And Equipment, Intangible Assets And Goodwill (Schedule Of Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment
Property, plant and equipment	$ 1,799,437	$ 1,761,689
Less: accumulated depreciation	695,262	629,569
Other property, plant and equipment, net	1,104,175	1,132,120
Structures
Structures, gross	3,064,825	3,021,152
Accumulated depreciation, structures	1,354,681	1,255,642
Structures, net	1,710,144	1,765,510
Land, buildings and improvements [Member]
Property, Plant and Equipment
Property, plant and equipment	741,473	723,268
Towers, transmitters and studio equipment [Member]
Property, Plant and Equipment
Property, plant and equipment	444,753	440,612
Furniture and other equipment [Member]
Property, Plant and Equipment
Property, plant and equipment	515,315	473,995
Construction in progress [Member]
Property, Plant and Equipment
Property, plant and equipment	$ 97,896	$ 123,814