Business Combination (Schedule of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands		Nov. 04, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Goodwill acquired on acquisition			$ 91,234	$ 82,354	$ 83,397
Xcira LLC [Member]
Business Acquisition [Line Items]
Purchase price		$ 12,359
Non-controlling Interest		4,119
Total fair value at Xcira acquisition date		16,478
Cash and cash equivalents		252
Trade and other receivables		1,382
Prepaid expenses		62
Property, plant and equipment		314
Other non-current assets		11
Intangible assets	[1]	4,300
Trade and other payables		502
Fair value of net assets acquired		5,819
Goodwill acquired on acquisition		$ 10,659
Xcira LLC [Member] | Technology [Member]
Business Acquisition [Line Items]
Amortization life		5 years
Xcira LLC [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Amortization life		20 years

[1] Consists of existing technology and customer relationships with an amortization life of five and 20 years, respectively