Fair Value of Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Mar. 14, 2014	Jan. 15, 2013
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 | Backlog
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	1,810
Amortization Period of intangible assets	1 year
JADAK Acquisition | Non-compete Covenant
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets	1,830
Amortization Period of intangible assets	5 years
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