Accumulated Other Comprehensive Income (Loss) (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income tax (expense) benefits included in other comprehensive income (loss)
Foreign Currency Translation	$ 300,000	$ 29,000	$ 100,000
Pension Benefits	(9,800,000)	2,500,000	5,700,000
Derivatives	(400,000)	(600,000)	(400,000)
Compensation - Retirement Benefits
Accumulated Other Comprehensive Income (Loss)
Income tax benefits in accumulated other comprehensive loss	9,700,000	20,000,000	17,400,000
Derivatives
Accumulated Other Comprehensive Income (Loss)
Income tax benefits in accumulated other comprehensive loss			600,000
Income tax (expense) in accumulated other comprehensive loss	$ (300,000)	$ (29,000)