Benefit Plans Benefit Plans (Detail 9) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	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]
Amortization of Net Prior Service Cost (Credit)	$ 0
Amortization of Net Gains (Losses)	7,781
Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year	7,781
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amortization of Net Prior Service Cost (Credit)	(3,942)
Amortization of Net Gains (Losses)	5,517
Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year	1,575
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Amortization of Net Prior Service Cost (Credit)	86
Amortization of Net Gains (Losses)	(988)
Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year	$ (902)