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Benefit Plans Benefit Plans (Detail 7) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Defined Benefit Plan, Interest Cost $ 25,726 $ 28,736  
United States Pension Plans of US Entity, Defined Benefit [Member]
      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service Cost 494 455 331
Defined Benefit Plan, Interest Cost 5,755 6,093 6,422
Defined Benefit Plan, Expected Return on Plan Assets (7,154) (6,965) (7,499)
Amortization of Gains (Losses) 7,782 7,664 5,103
Net Periodic Benefit Cost 6,877 7,247 4,357
Foreign Pension Plans, Defined Benefit [Member]
      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service Cost 17,386 15,011 13,699
Defined Benefit Plan, Interest Cost 19,566 22,104 24,637
Defined Benefit Plan, Expected Return on Plan Assets (35,048) (32,989) (34,325)
Amortization of Gains (Losses) 3,545 210 (339)
Net Periodic Benefit Cost $ 5,449 $ 4,336 $ 3,672