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Supplemental Disclosures (Schedule Of Accumulated Other Comprehensive Loss - Deferred Tax Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Fair Value Measurements [Abstract]        
Foreign currency translation adjustments and other $ 0 $ 3,742 $ 8,181 $ (12,385)
Unrealized holding gain on marketable securities 0 28,199 0 (11,010)
Unrealized holding gain on cash flow derivatives 0 10,254 0 28,759
Total increase in deferred tax liabilities $ 0 $ 42,195 $ 8,181 $ 5,364