Fair Value Measurements - Offsetting of Derivative Liabilities (Detail) (USD $)
In Millions, unless otherwise specified |
Sep. 30, 2014
|
Dec. 31, 2013
|
---|---|---|
Derivative [Line Items] | ||
Gross Amounts of Recognized Liabilities | $ 21.4 | $ 5.1 |
Gross Amounts Offset in the Balance Sheet, Derivative Liabilities | (10.4) | (3.0) |
Net Amounts of Liabilities Presented in the Balance Sheet | 11.0 | 2.1 |
Foreign exchange currency contracts [Member]
|
||
Derivative [Line Items] | ||
Gross Amounts of Recognized Liabilities | 21.4 | 5.1 |
Gross Amounts Offset in the Balance Sheet, Derivative Liabilities | (10.4) | (3.0) |
Net Amounts of Liabilities Presented in the Balance Sheet | $ 11.0 | $ 2.1 |