Pension and Postretirement Plans (Future Amortization of Net Periodic Cost) (Details 8) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss recognition	$ (28,154)
Prior service cost recognition	329
Supplemental Executive Retirement Plan (SERP) [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss recognition	1,313
Prior service cost recognition	47
Other Postretirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss recognition	(2,076)
Prior service cost recognition	$ (783)