Pension and Other Postretirement Benefits (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Defined benefit pension plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation, related to pension plans with benefit obligations in excess of plan assets	$ 58,646	$ 469,464
Fair value of plan assets, related to pension plans with benefit obligations in excess of plan assets	19,353	357,882
Defined benefit pension plans, U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation, related to pension plans with benefit obligations in excess of plan assets	31,231	396,695
Fair value of plan assets, related to pension plans with benefit obligations in excess of plan assets	0	294,040
Defined benefit pension plans, Non-U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation, related to pension plans with benefit obligations in excess of plan assets	27,415	72,769
Fair value of plan assets, related to pension plans with benefit obligations in excess of plan assets	$ 19,353	$ 63,842