Pensions and Other Postretirement Benefit Plans (Reconciliation of Level 3 Assets) (Details) (Pension Plans [Member], USD $) In Thousands, unless otherwise specified				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2013 Insurance Contracts [Member]	Dec. 31, 2012 Insurance Contracts [Member]	Dec. 31, 2013 Insurance Contracts [Member] Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Insurance Contracts [Member] Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2013 Limited Partnerships [Member]	Dec. 31, 2012 Limited Partnerships [Member]	Dec. 31, 2013 Limited Partnerships [Member] Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Limited Partnerships [Member] Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2013 Hedge Funds [Member]	Dec. 31, 2012 Hedge Funds [Member]	Dec. 31, 2013 Hedge Funds [Member] Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2012 Hedge Funds [Member] Significant Unobservable Inputs (Level 3) [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets, beginning of year	$ 168,390	$ 173,434	$ 304,658	$ 10,634	$ 11,594	$ 2,875	$ 2,542	$ 2,542	$ 2,361	$ 7,034	$ 7,556	$ 7,556	$ 8,676	$ 392	$ 536	$ 536	$ 557
Net realized (losses)/ gains				94								94
Net unrealized gains/(losses)				589	592			41	39			533	521			15	32
Net purchases, issuances and settlements				(1,016)	(1,552)			292	142			(1,149)	(1,641)			(159)	(53)
Net transfers (out of) Level 3
Fair value of plan assets, end of year	$ 168,390	$ 173,434	$ 304,658	$ 10,301	$ 10,634	$ 2,875	$ 2,542	$ 2,875	$ 2,542	$ 7,034	$ 7,556	$ 7,034	$ 7,556	$ 392	$ 536	$ 392	$ 536