Benefit Plans Benefit Plans (Detail 13) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
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	$ 6,732
Expected Future Benefit Payments in Year Two	7,003
Expected Future Benefit Payments in Year Three	7,241
Expected Future Benefit Payments in Year Four	7,484
Expected Future Benefit Payments in Year Five	7,849
Expected Future Benefit Payments in Five Fiscal Years Thereafter	43,339
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	42,390
Expected Future Benefit Payments in Year Two	42,151
Expected Future Benefit Payments in Year Three	42,597
Expected Future Benefit Payments in Year Four	44,416
Expected Future Benefit Payments in Year Five	44,676
Expected Future Benefit Payments in Five Fiscal Years Thereafter	228,874
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	856
Expected Future Benefit Payments in Year Two	863
Expected Future Benefit Payments in Year Three	867
Expected Future Benefit Payments in Year Four	832
Expected Future Benefit Payments in Year Five	830
Expected Future Benefit Payments in Five Fiscal Years Thereafter	$ 4,018