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Segment Reporting - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
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Sep. 30, 2014
Segment
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Sep. 30, 2013
Segment
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Sep. 30, 2014
Segment
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Sep. 30, 2013
Segment
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Apr. 17, 2014
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Dec. 31, 2013
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| Segment Reporting Information [Line Items] | ||||||
| Number of reportable segments | 2 | 2 | 2 | 2 | ||
| Goodwill | $ 39,335 | $ 39,335 | $ 17,800 | $ 21,498 | ||
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Lighting Signage and Media
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| Segment Reporting Information [Line Items] | ||||||
| Goodwill | $ 1,463 | $ 1,463 | ||||
| X | ||||||||||
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- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available.
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| X | ||||||||||
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- Details
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