Financial Instruments - Derivative Instruments Notional Amount Outstanding (Detail) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2014
|
Dec. 31, 2013
|
---|---|---|
Foreign currency contracts [Member]
|
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Schedule Of Information By Major Category Of Credit Derivatives Contracts [Line Items] | ||
Derivative instruments outstanding | $ 234,300 | $ 255,500 |
Interest rate swaps [Member]
|
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Schedule Of Information By Major Category Of Credit Derivatives Contracts [Line Items] | ||
Derivative instruments outstanding | $ 375,000 | $ 375,000 |