Acquisition Schedule of recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Jan. 22, 2015	Dec. 31, 2014
Assets:
Goodwill	$ 175,453		$ 98,227
Arlon
Assets:
Cash		$ 142
Accounts receivable		17,301
Other current assets		856
Inventory		9,916
Deferred income tax assets, current		1,084
Property, plant & equipment		30,667
Intangible assets		50,020
Goodwill		85,803
Other long-term assets		106
Total assets		195,895
Liabilities:
Accounts payable		4,958
Other current liabilities		4,385
Deferred tax liability		23,463
Other long-term liabilities		4,540
Total liabilities		37,346
Fair value of net assets acquired		$ 158,549