Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Schedule of AOCI) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013
Increase (Decrease) in Accumulated Other Comprehensive Income [Abstract]
Balance at beginning of period	$ (13,948,000)
Other comprehensive income before reclassifications	5,288,000
Amounts reclassified from accumulated other comprehensive loss, net of tax of $(0.6) million	1,136,000
Net current period other comprehensive income, net	6,424,000
Accumulated other comprehensive (loss) income	(7,524,000)
Unrecognized pension and postretirement benefits
Increase (Decrease) in Accumulated Other Comprehensive Income [Abstract]
Balance at beginning of period	(15,532,000)
Other comprehensive income before reclassifications	5,116,000
Amounts reclassified from accumulated other comprehensive loss, net of tax of $(0.6) million	1,136,000
Net current period other comprehensive income, net	6,252,000
Accumulated other comprehensive (loss) income	(9,280,000)
Reclassification form Accumulated Other Comprehensive Income, Current Period, Tax	600,000
Foreign currency
Increase (Decrease) in Accumulated Other Comprehensive Income [Abstract]
Balance at beginning of period	1,584,000
Other comprehensive income before reclassifications	172,000
Amounts reclassified from accumulated other comprehensive loss, net of tax of $(0.6) million	0
Net current period other comprehensive income, net	172,000
Accumulated other comprehensive (loss) income	$ 1,756,000