Goodwill and Intangible Assets (Additional Information) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization expense	$ 2.8	$ 1.6	$ 5.2	$ 3.1
Annual Future Amortization Expense
Anticipated future amortization expense for remainder of 2015	5.7		5.7
Anticipated future amortization expense for 2016	10.4		10.4
Anticipated future amortization expense for 2017	10.0		10.0
Anticipated future amortization expense for 2018	9.5		9.5
Anticipated future amortization expense for 2019	9.0		9.0
Arlon [Member]
Annual Future Amortization Expense
Anticipated future amortization expense for remainder of 2015	3.2		3.2
Anticipated future amortization expense for 2016	5.8		5.8
Anticipated future amortization expense for 2017	5.8		5.8
Anticipated future amortization expense for 2018	5.8		5.8
Anticipated future amortization expense for 2019	$ 5.8		5.8
Curamik [Member] | Trademarks [Member]
Annual Future Amortization Expense
Intangible assets			$ 5.3