Goodwill and Intangible Assets (Additional Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization expense	$ 1.6	$ 1.4	$ 3.1	$ 2.9
Anticipated future amortization expense for remainder of 2014	3.1		3.1
Anticipated future amortization expense for 2015	5.9		5.9
Anticipated future amortization expense for 2016	5.5		5.5
Anticipated future amortization expense for 2017	5.0		5.0
Anticipated future amortization expense for 2018	4.4		4.4
Curamik Electronics GmbH [Member] | Unclassified Indefinite-lived Intangible Assets [Member]
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible assets			$ 5.3