|
Segment Data (Schedule Of Operating Segment Results) (Detail) (USD $)
|
3 Months Ended |
|
Mar. 31, 2015
|
Mar. 31, 2014
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
$ 1,344,564,000 |
$ 1,342,548,000 |
| Direct operating expenses |
578,519,000 |
597,688,000 |
| Selling, general and administrative expenses |
416,188,000 |
414,636,000 |
| Depreciation and amortization |
170,453,000 |
174,871,000 |
| Impairment charges |
0 |
0 |
| Corporate expenses |
77,288,000 |
72,705,000 |
| Other operating income, net |
(8,974,000) |
165,000 |
| Operating income (loss) |
93,142,000 |
82,813,000 |
| Capital expenditures |
56,455,000 |
67,408,000 |
| Share-based compensation expense |
2,524,000 |
3,036,000 |
| Intersegment [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
3,742,000 |
4,545,000 |
| iHM [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
697,801,000 |
670,347,000 |
| Direct operating expenses |
213,829,000 |
211,946,000 |
| Selling, general and administrative expenses |
261,349,000 |
253,345,000 |
| Depreciation and amortization |
60,742,000 |
60,324,000 |
| Impairment charges |
0 |
0 |
| Corporate expenses |
0 |
0 |
| Other operating income, net |
0 |
0 |
| Operating income (loss) |
161,881,000 |
144,732,000 |
| Capital expenditures |
11,913,000 |
10,292,000 |
| Share-based compensation expense |
0 |
0 |
| iHM [Member] | Intersegment [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
0 |
0 |
| Americas Outdoor Advertising [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
295,863,000 |
290,610,000 |
| Direct operating expenses |
146,234,000 |
143,364,000 |
| Selling, general and administrative expenses |
55,637,000 |
56,368,000 |
| Depreciation and amortization |
50,340,000 |
49,712,000 |
| Impairment charges |
0 |
0 |
| Corporate expenses |
0 |
0 |
| Other operating income, net |
0 |
0 |
| Operating income (loss) |
43,652,000 |
41,166,000 |
| Capital expenditures |
16,695,000 |
16,444,000 |
| Share-based compensation expense |
0 |
0 |
| Americas Outdoor Advertising [Member] | Intersegment [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
1,101,000 |
976,000 |
| International Outdoor Advertising [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
319,180,000 |
344,641,000 |
| Direct operating expenses |
216,737,000 |
238,149,000 |
| Selling, general and administrative expenses |
71,493,000 |
76,581,000 |
| Depreciation and amortization |
42,441,000 |
48,331,000 |
| Impairment charges |
0 |
0 |
| Corporate expenses |
0 |
0 |
| Other operating income, net |
0 |
0 |
| Operating income (loss) |
(11,491,000) |
(18,420,000) |
| Capital expenditures |
25,105,000 |
20,862,000 |
| Share-based compensation expense |
0 |
0 |
| International Outdoor Advertising [Member] | Intersegment [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
0 |
0 |
| Other [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
35,462,000 |
41,495,000 |
| Direct operating expenses |
3,398,000 |
6,388,000 |
| Selling, general and administrative expenses |
29,772,000 |
30,728,000 |
| Depreciation and amortization |
7,666,000 |
8,719,000 |
| Impairment charges |
0 |
0 |
| Corporate expenses |
0 |
0 |
| Other operating income, net |
0 |
0 |
| Operating income (loss) |
(5,374,000) |
(4,340,000) |
| Capital expenditures |
1,051,000 |
1,807,000 |
| Share-based compensation expense |
0 |
0 |
| Other [Member] | Intersegment [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
2,641,000 |
3,569,000 |
| Corporate and other reconciling items [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
0 |
0 |
| Direct operating expenses |
0 |
0 |
| Selling, general and administrative expenses |
0 |
0 |
| Depreciation and amortization |
9,264,000 |
7,785,000 |
| Impairment charges |
0 |
0 |
| Corporate expenses |
77,288,000 |
72,705,000 |
| Other operating income, net |
(8,974,000) |
165,000 |
| Operating income (loss) |
(95,526,000) |
(80,325,000) |
| Capital expenditures |
1,691,000 |
18,003,000 |
| Share-based compensation expense |
2,524,000 |
3,036,000 |
| Corporate and other reconciling items [Member] | Intersegment [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
0 |
0 |
| Eliminations [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
(3,742,000) |
(4,545,000) |
| Direct operating expenses |
(1,679,000) |
(2,159,000) |
| Selling, general and administrative expenses |
(2,063,000) |
(2,386,000) |
| Depreciation and amortization |
0 |
0 |
| Impairment charges |
0 |
0 |
| Corporate expenses |
0 |
0 |
| Other operating income, net |
0 |
0 |
| Operating income (loss) |
0 |
0 |
| Capital expenditures |
0 |
0 |
| Share-based compensation expense |
0 |
0 |
| Eliminations [Member] | Intersegment [Member] |
|
|
| Segment Reporting Information [Line Items] |
|
|
| Revenue |
$ 0 |
$ 0 |