Pensions (Schedule Of Components Of Net Periodic Benefit Cost Of Pension Plans) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Pensions [Abstract]
Service cost	$ 10,000	$ 11,000	$ 28,000	$ 35,000
Interest cost	67,000	62,000	188,000	196,000
Expected return on plan assets	(75,000)	(58,000)	(210,000)	(185,000)
Amortization of prior service cost	13,000		36,000
Total net periodic benefit cost	$ 15,000	$ 15,000	$ 42,000	$ 46,000