Acquisitions - Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Jul. 08, 2014
Business Acquisition [Line Items]
GOODWILL	$ 2,929us-gaap_Goodwill
Path Logic [Member]
Business Acquisition [Line Items]
Current assets, including cash and cash equivalents		1,722
Property, plant and equipment		577
Identifiable intangible assets - customer relationships		1,930
Long term deposits		28
GOODWILL		2,929
Total assets acquired		7,186
Current liabilities		(1,180)
Long-term liabilities		(98)
Net assets acquired		5,908
Initially Reported [Member] \| Path Logic [Member]
Business Acquisition [Line Items]
Current assets, including cash and cash equivalents		1,881
Property, plant and equipment		804
Identifiable intangible assets - customer relationships		1,860
GOODWILL		2,561
Total assets acquired		7,106
Current liabilities		(1,185)
Long-term liabilities		(13)
Net assets acquired		5,908
Measurement Period Adjustment [Member] \| Path Logic [Member]
Business Acquisition [Line Items]
Current assets, including cash and cash equivalents		(159)
Property, plant and equipment		(227)
Identifiable intangible assets - customer relationships		70
Long term deposits		28
GOODWILL		368
Total assets acquired		80
Current liabilities		5
Long-term liabilities		$ (85)

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Amount of assets acquired at the acquisition date.

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of financial assets (as defined) recognized as of the acquisition date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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