Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 241,758	$ 182,238
Accumulated Amortization	(72,641)	(66,986)
Intangible Assets, Net (Excluding Goodwill)	169,117	115,252
Tradename [Member]
Intangible Assets [Line Items]
Gross amount, Tradename (indefinite life)	28,338	24,814
Intangible Assets, Net (Excluding Goodwill)	28,338	24,814
Customer Relationships [Member]
Intangible Assets [Line Items]
Gross amount	146,592	98,175
Accumulated Amortization	(33,615)	(30,836)
Intangible Assets, Net (Excluding Goodwill)	112,977	67,339
Proven technology and patents [Member]
Intangible Assets [Line Items]
Gross amount	59,756	52,938
Accumulated Amortization	(34,681)	(32,444)
Intangible Assets, Net (Excluding Goodwill)	25,075	20,494
Tradename [Member]
Intangible Assets [Line Items]
Gross amount	4,301	4,200
Accumulated Amortization	(2,507)	(2,158)
Intangible Assets, Net (Excluding Goodwill)	1,794	2,042
Other Intangible Assets [Member]
Intangible Assets [Line Items]
Gross amount	2,771	2,111
Accumulated Amortization	(1,838)	(1,548)
Intangible Assets, Net (Excluding Goodwill)	$ 933	$ 563