Business Acquisition (Purchase Price Schedule) (Details) - PCB Group, Inc [Member] $ in Thousands	Jul. 05, 2016 USD ($)
Business Acquisition [Line Items]
Consideration paid to PCB shareholders	$ 580,000
Closing cash consideration paid	11,612
Deferred endowment consideration	1,000
Net pre-acquisition earn-out	(141)
Net working capital	(513)
Cash Acquired from Acquisition	(10,551)
Total purchase price consideration, net of cash acquired	581,407
Employees [Member]
Business Acquisition [Line Items]
Consideration paid to PCB shareholders	$ 10,000