Commitments and Contingencies (Textuals) (Details) $ in Thousands, € in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2015 EUR (€)	Dec. 31, 2013 USD ($)	Aug. 31, 2008 USD ($)
Accruals and Payable and Other Long Term Liabilties [Member]
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	$ 11,609	$ 10,598		$ 11,531
Accrual for environmental loss contingencies, payments	3,714	2,465
Additions to accrual	4,731	$ 1,865
New Hartford [Member]
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	2,300
Accrual for environmental loss contingencies, payments	1,400
New Hartford [Member] | Other Accruals and Payables [Member]
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	200
Bloomfield [Member]
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies					$ 10,300
Accrual for environmental loss contingencies, payments	10,900
Environmental liability, discounted amount					10,300
Undiscounted estimated remediation liability	8,118				$ 20,800
Discount rate					8.00%
Bloomfield [Member] | Other Accruals and Payables [Member]
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	900
Rimpar [Member] | Other Accruals and Payables [Member]
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies | €			€ 0.3
AH-1Z program [Member]
Loss Contingencies [Line Items]
Accrual for payments due to customer under agreement	4,000
Amount to be received from customer contingent on resolution of certain matters	4,300
General and administrative costs capitalized in inventory, incurred	$ 2,800