Other Intangible Assets - Schedule of other intangible assets (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Cost	$ 73,328	$ 82,423
Finite-lived intangible assets, Accumulated Amortization	25,966	24,667
Total other intangible assets	84,958	94,053
Other intangible assets, net	58,992	69,386
Acquired Intangible Assets [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Cost	71,663	80,758
Finite-lived intangible assets, Accumulated Amortization	25,021	23,809
Patents and technology
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Cost	21,014	20,960
Finite-lived intangible assets, Accumulated Amortization	6,150	5,809
Customer lists
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Cost	43,540	52,607
Finite-lived intangible assets, Accumulated Amortization	15,345	14,640
Trademarks and brand names
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Cost	7,109	7,191
Finite-lived intangible assets, Accumulated Amortization	3,526	3,360
Deferred financing costs
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Cost	1,665	1,665
Finite-lived intangible assets, Accumulated Amortization	945	858
Trademarks and brand names
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Trademarks and brand names	$ 11,630	$ 11,630