Employee Benefits (Schedule Of Change In Plan Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
U. S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets, beginning of year	$ 53,415	$ 49,236
Actual return	(268)	2,953
Employer contribution	2,148	3,983
Benefits paid	(4,532)	(2,757)
Fair value of plan assets, end of year	50,763	53,415
Funded status, end of year	(11,429)	(13,595)
Non-U. S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets, beginning of year	0	0
Actual return	0	0
Employer contribution	2,139	898
Benefits paid	(2,139)	(898)
Fair value of plan assets, end of year	0	0
Funded status, end of year	(94,821)	(122,701)
Post-Retirement Healthcare Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets, beginning of year	0	0
Employer contribution	1,107	1,525
Benefits paid	(1,107)	(1,525)
Fair value of plan assets, end of year	0	0
Funded status, end of year	$ (17,815)	$ (20,177)