Pension and Other Postretirement Benefits - Amounts to be Amortized From AOCI Over Next Fiscal Year (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Actuarial Loss	$ 3,962
Prior Service Cost	112
Total	4,074
Domestic [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial Loss	2,488
Prior Service Cost	82
Total	2,570
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial Loss	1,474
Prior Service Cost	30
Total	1,504
Domestic Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial Loss	186
Prior Service Cost	0
Total	$ 186