Benefit Plans Benefit Plans (Detail 3) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan amendments and prior service cost	$ (28,580)
Defined Benefit Plan, Accumulated Other Comprehensive Income Net Prior Service Cost Credit, after Tax	(22,944)
Actuarial losses (gains)	(10,941)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), after tax	170,979
Accumulated Other Comprehensive Income (Loss), before Tax	209,775
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax	148,035
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan amendments and prior service cost	0
Actuarial losses (gains)	89,940
Accumulated Other Comprehensive Income (Loss), before Tax	89,940	89,956
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan amendments and prior service cost	(28,951)
Actuarial losses (gains)	159,727
Accumulated Other Comprehensive Income (Loss), before Tax	130,776	95,686
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan amendments and prior service cost	371
Actuarial losses (gains)	(11,312)
Accumulated Other Comprehensive Income (Loss), before Tax	$ (10,941)	$ (9,635)