|
Property, Plant And Equipment, Intangible Assets And Goodwill (Narrative) (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 0 Months Ended | |
|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Apr. 03, 2015
Stations
|
|
| Amortization expense | $ 62.9 | $ 66.9 | |
| Annual lease payments | 2.6 | ||
| Executive Office Building And Data Administrative Service Center [Member] | |||
| Disposal proceeds | 34.3 | ||
| Executive Office Building [Member] | |||
| Gain (loss) on disposal | (0.2) | ||
| Data and Administrative Service Center [Member] | |||
| Gain (loss) on disposal | 8.1 | ||
| Vertical Bridge Holdings [Member] | Broadcast Communication Tower Sites [Member] | |||
| Disposal proceeds | 369.0 | ||
| Number of Property Plant and Equipment Sold | 367 | ||
| Vertical Bridge Holdings [Member] | Broadcast Communication Tower Sites [Member] | Maximum [Member] | |||
| Disposal proceeds | $ 400.0 | ||
| Number of Property Plant and Equipment Sold | 411 | ||