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Other Information (Schedule Of Accumulated Other Comprehensive Loss) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2014
Dec. 31, 2013
Other Information [Abstract]    
Cumulative currency translation adjustment $ (291,520) $ (188,920)
Cumulative unrealized gain on securities 1,397 1,101
Cumulative other adjustments (18,467) (8,254)
Total accumulated other comprehensive loss $ (308,590) $ (196,073)