Fair Value of Intangible Assets (Details) - USD ($) $ in Thousands				12 Months Ended
	May 24, 2016	Dec. 31, 2015	Mar. 14, 2014	Dec. 31, 2016
Acquired Finite Lived Intangible Assets [Line Items]
Amortization Period of intangible assets				10 years
Reach Technology Inc.
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 3,953
Reach Technology Inc. | Customer Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 2,770
Amortization Period of intangible assets	15 years
Reach Technology Inc. | Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 500
Amortization Period of intangible assets	7 years
Reach Technology Inc. | Trademarks and Trade Names
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 258
Amortization Period of intangible assets	10 years
Reach Technology Inc. | Backlog
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	$ 425
Amortization Period of intangible assets	1 year
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