Pensions And Other Employee Benefits Plans (Components Of Net Periodic Cost) (Details) (Continuing Operations [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 147	$ 200
Interest cost	463	622
Expected return on plan assets	(427)	(364)
Amortization of net actuarial loss or (gain)	1,503	173
Net periodic cost included in income from continuing operations	1,686	631
Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	2
Interest cost	10	11
Amortization of net actuarial loss or (gain)	4	2
Amortization of prior service credits	(6)	(6)
Net periodic cost included in income from continuing operations	$ 10	$ 9