Fair Value of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Mar. 14, 2014	Jan. 15, 2013
Skyetek, Lincoln Laser and Applimotion
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 11,370
Skyetek, Lincoln Laser and Applimotion | Customer Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 4,266
Amortization Period of intangible assets	12 years
Skyetek, Lincoln Laser and Applimotion | Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 4,993
Amortization Period of intangible assets	10 years
Skyetek, Lincoln Laser and Applimotion | Trademarks and Trade Names
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 593
Amortization Period of intangible assets	9 years
Skyetek, Lincoln Laser and Applimotion | Non-compete Covenant
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 684
Amortization Period of intangible assets	4 years
Skyetek, Lincoln Laser and Applimotion | Backlog
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 834
Amortization Period of intangible assets	1 year
JADAK Acquisition
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets		$ 40,250
JADAK Acquisition | Customer Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets		$ 23,570
Amortization Period of intangible assets		20 years
JADAK Acquisition | Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets		$ 10,910
Amortization Period of intangible assets		10 years
JADAK Acquisition | Trademarks and Trade Names
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets		$ 2,130
Amortization Period of intangible assets		10 years
JADAK Acquisition | Non-compete Covenant
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets		$ 1,830
Amortization Period of intangible assets		5 years
JADAK Acquisition | Backlog
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets		$ 1,810
Amortization Period of intangible assets		1 year
NDS Acquisition
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets			$ 37,817
NDS Acquisition | Customer Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets			$ 22,294
Amortization Period of intangible assets			20 years
NDS Acquisition | Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets			$ 6,689
Amortization Period of intangible assets			10 years
NDS Acquisition | Trademarks and Trade Names
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets			$ 7,565
Amortization Period of intangible assets			20 years
NDS Acquisition | Backlog
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets			$ 1,269
Amortization Period of intangible assets			1 year