Pensions And Postretirement Benefits (Schedule Of Components Of Net Periodic Benefit Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 61,521
Interest cost	257,364
Expected return on plan assets	(337,278)
Net periodic postretirement benefit cost	(18,393)
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	8,526
Interest cost	43,110
Expected return on plan assets	(24,423)
Amortization of gain/loss	(68,265)
Net periodic postretirement benefit cost	$ (41,052)