Retirement Plans And Postretirement Benefits (Fair Asset Values Of Plan Assets) (Details) - Retirement Plans [Member] - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 93,897	$ 99,454
U.S. [Member] | Cash And Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,986	906
U.S. [Member] | Collective Trusts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	91,911	98,548
U.S. [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,986	906
U.S. [Member] | Level 1 [Member] | Cash And Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,986	906
U.S. [Member] | Level 1 [Member] | Collective Trusts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	91,911	98,548
U.S. [Member] | Level 2 [Member] | Cash And Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. [Member] | Level 2 [Member] | Collective Trusts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	91,911	98,548
U.S. [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. [Member] | Level 3 [Member] | Cash And Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. [Member] | Level 3 [Member] | Collective Trusts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Foreign [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	11,293	77,728
Foreign [Member] | Cash And Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	1,364
Foreign [Member] | Foreign Government Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	840	1,038
Foreign [Member] | Investment Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	61,990
Foreign [Member] | Fixed Insurance Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10,453	13,336
Foreign [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	1,364
Foreign [Member] | Level 1 [Member] | Cash And Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	1,364
Foreign [Member] | Level 1 [Member] | Foreign Government Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Foreign [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	840	1,038
Foreign [Member] | Level 2 [Member] | Cash And Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Foreign [Member] | Level 2 [Member] | Foreign Government Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	840	1,038
Foreign [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10,453	75,326
Foreign [Member] | Level 3 [Member] | Cash And Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Foreign [Member] | Level 3 [Member] | Foreign Government Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Foreign [Member] | Level 3 [Member] | Investment Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	61,990
Foreign [Member] | Level 3 [Member] | Fixed Insurance Contracts [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 10,453	$ 13,336