Pensions and Other Post-Retirement Benefits (Pretax Amounts Included in Accumulated Other Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Prior service cost (credit)	$ 0	$ 32
Net actuarial loss	203,627	269,005
Accumulated other comprehensive loss	203,627	269,037
Other Post-Retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Prior service cost (credit)	(1,506)	0
Net actuarial loss	440	1,851
Accumulated other comprehensive loss	$ (1,066)	$ 1,851