Estimated Useful Life for the Intangible Assets (Detail)	12 Months Ended
	Dec. 31, 2014
Order Backlog
Intangible Assets [Line Items]
Finite-lived intangible assets	2 years
Tradename - Orbital
Intangible Assets [Line Items]
Finite-lived intangible assets	10 years
Tradename - V-Infinity
Intangible Assets [Line Items]
Finite-lived intangible assets	5 years
Customer List - Orbital
Intangible Assets [Line Items]
Finite-lived intangible assets	10 years
Technology Rights
Intangible Assets [Line Items]
Finite-lived intangible assets	20 years	[1],[2]
Technology-Based Asset-Know How
Intangible Assets [Line Items]
Finite-lived intangible assets	12 years
Software
Intangible Assets [Line Items]
Finite-lived intangible assets	10 years
Patents
Intangible Assets [Line Items]
Finite-lived intangible assets		[3]
Other Intangible Assets
Intangible Assets [Line Items]
Finite-lived intangible assets		[4]
Tradename - CUI
Intangible Assets [Line Items]
Indefinite-lived intangible assets		[5]
Customer List - CUI
Intangible Assets [Line Items]
Indefinite-lived intangible assets		[5]
Patents Pending Technology
Intangible Assets [Line Items]
Indefinite-lived intangible assets		[5]

[1] All intangibles are reviewed annually for impairment, or sooner if circumstances change.

[2] Technology rights are amortized over a twenty year life or the term of the rights agreement.

[3] Patents are amortized over the life of the patent. Any patents not approved will be expensed at that time.

[4] Other intangible assets are amortized over an appropriate useful life, as determined by management in relation to the other intangible asset characteristics.

[5] Indefinite-lived intangible assets are reviewed annually for impairment and when circumstances suggest.