|
Property Plant and Equipment Net - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Property, Plant and Equipment [Line Items] | |||
| Depreciation expense | $ 78.8 | $ 40.1 | $ 21.4 |
| Impairment of property, plant and equipment | $ 107.4 | ||