Acquisition	9 Months Ended
Oct. 31, 2015
Business Combinations [Abstract]
Acquisition	5. Acquisition On June 25, 2015, the Company completed the acquisition of VisLab S.r.l. (“VisLab”), a privately held Italian company that develops computer vision and intelligent control systems for automotive and other commercial applications, including Advanced Driver Assistance Systems and several generations of autonomous vehicle driving systems, for $30.0 million in cash. This acquisition will enable extensive and robust computer vision support in future solutions targeting the Company's core markets, including automotive, IP security, wearable, and flying cameras. Of the total purchase price of $30.0 million, $4.1 million was attributed to intangible assets, $25.3 million was attributed to goodwill, and $0.6 million was attributed to net assets acquired. The goodwill represents the excess value of the purchase price over the aggregate fair value of the tangible and intangible assets acquired. The goodwill primarily represents the intangible assets that do not qualify for separate recognition and the future development initiatives of the assembled workforces. Goodwill is not expected to be deductible for tax purposes. Pro forma result of operations for this acquisition has not been presented because it is not material to the consolidated results of operations, either individually or in aggregate.

Acquisition

9 Months Ended

Oct. 31, 2015

5. Acquisition

On June 25, 2015, the Company completed the acquisition of VisLab S.r.l. (“VisLab”), a privately held Italian company that develops computer vision and intelligent control systems for automotive and other commercial applications, including Advanced Driver Assistance Systems and several generations of autonomous vehicle driving systems, for $30.0 million in cash. This acquisition will enable extensive and robust computer vision support in future solutions targeting the Company's core markets, including automotive, IP security, wearable, and flying cameras. Of the total purchase price of $30.0 million, $4.1 million was attributed to intangible assets, $25.3 million was attributed to goodwill, and $0.6 million was attributed to net assets acquired. The goodwill represents the excess value of the purchase price over the aggregate fair value of the tangible and intangible assets acquired. The goodwill primarily represents the intangible assets that do not qualify for separate recognition and the future development initiatives of the assembled workforces. Goodwill is not expected to be deductible for tax purposes.

Pro forma result of operations for this acquisition has not been presented because it is not material to the consolidated results of operations, either individually or in aggregate.