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Summary Of Significant Accounting Policies (Schedule Of Accumulated Other Comprehensive Income) (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Accumulated Other Comprehensive Income Loss [Line Items]    
Total accumulated other comprehensive income $ 29,709 $ 136,733
Accumulated Other Comprehensive Income (Loss) [Member]
   
Accumulated Other Comprehensive Income Loss [Line Items]    
Cumulative translation adjustment 45,894 182,134
Pension liability adjustment (38,447) (18,303)
Unrealized gains (losses) on hedging derivatives 26,296 (23,184)
Unrealized losses on available-for-sale securities (4,034) (3,914)
Total accumulated other comprehensive income $ 29,709 $ 136,733