Quarterly report pursuant to Section 13 or 15(d)

Effects of Foreign Currency Forward Contracts Designated as Cash Flow Hedges (Detail)

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Effects of Foreign Currency Forward Contracts Designated as Cash Flow Hedges (Detail) (Cash Flow Hedging, Foreign Exchange Forward, USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Cash Flow Hedging | Foreign Exchange Forward
   
Derivative Instruments, Gain (Loss) [Line Items]    
Loss recognized in other comprehensive loss - effective portion $ (1,076) $ (16,633)
Gain (loss) recognized in other income - ineffective portion (1) 68
Amount reclassified from accumulated other comprehensive income (loss) into depreciation and amortization expense $ (53)