v2.4.0.6
Gains and Losses, Net of Tax, Related to Derivative Instruments Designated as Cash Flow Hedges Included in Accumulated Other Comprehensive Income, Net (Detail) (Cash Flow Hedging, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion) $ (3,909) $ 3,571
Interest rate contracts
   
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion) (19) 62
Foreign currency contracts
   
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion) $ (3,890) $ 3,509