Pensions And Postretirement Benefits (Schedule Of Amounts Recognized In Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Liability gain due to assumption change	$ 735
Liability gain due to participant experience	401
Asset return gain	598
Net actuarial gain	1,734
Total	1,734
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Liability gain due to assumption change	(2,189)
Liability gain due to participant experience	(2,175)
Asset return gain	(56)
Net actuarial gain	(4,420)
Total	$ (4,420)