Employee and Retiree Benefit Plans (Amount Related to Foreign Benefit Plans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Foreign Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at December 31	$ 197,549	$ 222,497
Fair value of plan assets at December 31	193,933	202,305
Net plan liabilities recognized	3,616	20,192
Net periodic benefit expense	4,703	12,968
Foreign Other Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation at December 31	643	648
Net plan liabilities recognized	643	648
Net periodic benefit expense	$ 152	$ 152