Annual report pursuant to Section 13 and 15(d)

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

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Effects of Foreign Currency Options Designated as Cash Flow Hedges (Detail) (Cash Flow Hedging, Foreign Exchange Option, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Cash Flow Hedging | Foreign Exchange Option
     
Derivative Instruments, Gain (Loss) [Line Items]      
Loss recognized in other comprehensive loss - effective portion $ (3,304) $ (19,428) $ (14,583)
Loss recognized in other income (expense) - ineffective portion (97) (864) (239)
Amount reclassified from accumulated comprehensive income (loss) into depreciation and amortization expense $ 470