Commitments and Contingencies Textuals (Details)	12 Months Ended			12 Months Ended		12 Months Ended			12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2014 Moosup [Member] USD ($)	Dec. 31, 2014 Moosup [Member] Other accruals and payables [Member] USD ($)	Dec. 31, 2014 New Hartford [Member] USD ($)	Dec. 31, 2014 New Hartford [Member] Other accruals and payables [Member] USD ($)	Dec. 31, 2014 United Kingdom [Member] GBP (£)	Dec. 31, 2008 United Kingdom [Member] GBP (£)	Dec. 31, 2014 United Kingdom [Member] Other accruals and payables [Member] USD ($)	Dec. 31, 2014 Bloomfield [Member] USD ($)	Aug. 31, 2008 Bloomfield [Member] USD ($)	Dec. 31, 2014 Bloomfield [Member] Other accruals and payables [Member] USD ($)
Loss Contingencies [Line Items]
Loss Contingency Accrual, Payments	$ 500,000
Escrow Deposit		4,000,000
Accrual for Environmental Loss Contingencies, Payments		800,000		500,000		1,200,000			8,900,000
Accrual for Environmental Loss Contingencies			3,200,000	2,200,000	500,000	100,000		100,000		10,300,000	1,700,000
Site Contingency, Accrual, Discount Amount										10,300,000
Site Contingency, Accrual, Undiscounted Amount	9,957,000									20,800,000
Discount rate										8.00%
Environmental Exit Costs, Anticipated Cost							1,600,000
Enviromental Remediation Liability Released to Income						£ 400,000