Discontinued Operations Narrative (Details)	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended	0 Months Ended
	Jun. 30, 2012 USD ($)	Jun. 30, 2011 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2011 USD ($)	Dec. 31, 2011 USD ($)	Sep. 30, 2011 Kasco-France [Member] EUR (€)	Jun. 30, 2011 Kasco-France [Member] USD ($)	Jun. 30, 2011 Kasco-France [Member] USD ($)	Feb. 04, 2011 Arlon CM [Member] Adhesive Film Division [Member] USD ($)	Mar. 25, 2011 Arlon CM [Member] Arlon LLC Engineered Coated Products Devision and SignTech Subsidiary [Member] USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price of stock						€ 1
Disposal group, including discontinued operation, sale price, percentage of pretax earnings						25.00%
Disposal group, including discontinued operation, sale price, term						3 years
Supply agreement, term						5 years
Aggregate sale price									27,000,000	2,500,000
Net sale proceeds			0	26,532,000					24,200,000
Pretax gain (loss) from disposal of discontinued operation									11,500,000	(5,000,000)
Sale price on disposal of equipment										500,000
Escrow held in trade and other receivables					3,000,000
Gain on sale of assets, net of tax	0	(154,000)	0	6,431,000
Loss from discontinued operations, net	$ 0	$ 127,000	$ 0	$ 709,000			$ 100,000	$ 200,000