|
Investments in Affiliated Companies (Detail) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2014
|
Jun. 30, 2013
|
Dec. 31, 2013
|
|
| Investments in and Advances to Affiliates [Line Items] | |||
| Dividends or Distributions Cost Method Investment | $ 0.5 | $ 0.5 | |
| Total investments in affiliated companies | 57.1 | 92.4 | |
| Other than Temporary Impairment Losses, Investments | 0 | ||
|
Total equity method investments
|
|||
| Investments in and Advances to Affiliates [Line Items] | |||
| Total equity method investments | 53.7 | 84.5 | |
|
Total cost method investments
|
|||
| Investments in and Advances to Affiliates [Line Items] | |||
| Total cost method investments | 3.4 | 7.9 | |
| Other than Temporary Impairment Losses, Investments | $ 4.5 | ||