Accumulated Other Comprehensive Income (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Total Pre-Tax Amount
Balance at			$ (4,381,000)
Unrealized loss on cash flow hedge			(1,530,000)
Realized loss on cash flow hedge			18,000
Minimum pension and post retirement health care plan adjustments			68,000
Foreign currency gain			638,000
Balance at	(5,187,000)		(5,187,000)
Tax (Benefit) Expense
Balance at			(796,000)
Unrealized loss on cash flow hedge			(562,000)
Realized loss on cash flow hedge			6,000
Minimum pension and post retirement health care plan adjustments			27,000
Foreign currency gain			0
Balance at	(1,325,000)		(1,325,000)
Accumulated Other Comprehensive Loss
Balance at			(3,585,000)
Unrealized loss on cash flow hedge			(968,000)
Realized loss on cash flow hedge			12,000
Minimum pension and post retirement health care plan adjustments			41,000
Foreign currency gain	1,542,000	(804,000)	638,000	(3,901,000)
Balance at	(3,862,000)		(3,862,000)
Net amount of existing unrealized loss on cash flow hedges expected to be reclassified into earnings			905,000
Foreign Currency Translation Adjustment
Total Pre-Tax Amount
Balance at			(2,201,000)
Unrealized loss on cash flow hedge			0
Realized loss on cash flow hedge			0
Minimum pension and post retirement health care plan adjustments			0
Foreign currency gain			638,000
Balance at	(1,563,000)		(1,563,000)
Cash Flow Hedges
Total Pre-Tax Amount
Balance at			0
Unrealized loss on cash flow hedge			(1,530,000)
Realized loss on cash flow hedge			18,000
Minimum pension and post retirement health care plan adjustments			0
Foreign currency gain			0
Balance at	(1,512,000)		(1,512,000)
Minimum Pension Liability Adjustment
Total Pre-Tax Amount
Balance at			76,000
Unrealized loss on cash flow hedge			0
Realized loss on cash flow hedge			0
Minimum pension and post retirement health care plan adjustments			7,000
Foreign currency gain			0
Balance at	83,000		83,000
Unamortized Post Retirement Health Care Costs
Total Pre-Tax Amount
Balance at			(2,256,000)
Unrealized loss on cash flow hedge			0
Realized loss on cash flow hedge			0
Minimum pension and post retirement health care plan adjustments			61,000
Foreign currency gain			0
Balance at	$ (2,195,000)		$ (2,195,000)