Benefit Plans Benefit Plans (Detail 13) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected Future Benefit Payments in Year One	$ 6,324
Expected Future Benefit Payments in Year Two	6,631
Expected Future Benefit Payments in Year Three	6,908
Expected Future Benefit Payments in Year Four	7,147
Expected Future Benefit Payments in Year Five	7,403
Expected Future Benefit Payments in Five Fiscal Years Thereafter	41,765
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected Future Benefit Payments in Year One	39,487
Expected Future Benefit Payments in Year Two	39,366
Expected Future Benefit Payments in Year Three	40,374
Expected Future Benefit Payments in Year Four	40,935
Expected Future Benefit Payments in Year Five	42,334
Expected Future Benefit Payments in Five Fiscal Years Thereafter	217,907
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected Future Benefit Payments in Year One	1,021
Expected Future Benefit Payments in Year Two	1,001
Expected Future Benefit Payments in Year Three	1,027
Expected Future Benefit Payments in Year Four	1,015
Expected Future Benefit Payments in Year Five	983
Expected Future Benefit Payments in Five Fiscal Years Thereafter	$ 4,973