|
Intangibles and Other Assets (Footnotes) (Detail) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Intangibles and Other Assets by Major Class [Line Items] | ||
| Financing costs, accumulated amortization | $ 18.8 | $ 13.6 |
| Customer Relationships | ||
| Intangibles and Other Assets by Major Class [Line Items] | ||
| Amortizable intangible assets, accumulated amortization | 8.8 | 8.2 |
| Patents | ||
| Intangibles and Other Assets by Major Class [Line Items] | ||
| Amortizable intangible assets, accumulated amortization | $ 0.9 | $ 0.9 |